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check to see if the DISCREPANCY is positive or negative, and apply the ± 5% check.
􀀴 DISCREPANCY Positive : The DISCREPANCY must be less than 5% of the CALCULATED UPLIFT, and less
than 2000 Kg
􀀴 DISCREPANCY Negative : The DISCREPANCY (magnitude of) must be less than 5% of the CALCULATED
UPLIFT, and less than 1000 Kg
• Note : Engineering procedures stipulate that an average APU fuel consumption of 200 kg/hour
must be taken into account when determining a fuel discrepancy. If a discrepancy still exists
after all factors have been taken into account, a defect should be raised and actioned. This would
indicate that a Tech Log entry for an excessive Discrepancy figures is not required when APU
Fuel burn is found to be the cause – contrary to common practice on the line.
• However the recent FOM amendment to the fuel uplift check (FOM CH 11 P 8 25 Aug 2001)
makes no mention of APU fuel usage at all.
􀀴 ENGINE/APU OIL QTY : Engine and
APU oil uplift and departure totals are
entered here. Blocks not used are to
be deleted by entering diagonal lines
from corner to corner.
􀀴 HYDRAULIC QTY : Quantity of
Hydraulic fluid uplifted is entered.
􀀴 FUEL/OILS SVC : When signed by the maintenance crew, this
states that the disposition of fuel, oil, hydraulic fluid and
departure totals are in accordance with operational
requirements and all associated servicing is complete.
Page 8 of 19 B777 Aircraft Technical Log.
As At : 29.11.2001 Locator : C:\Documents And Settings\Administrator\My Documents\Emirates\777\Notes\Tech Log\B777 Tech Log.Doc
􀀴 GROUND DE-ICE : This is to record the time De-icing started, time
finished and signature on completion. Should the aircraft be De-iced at
a remote location where maintenance staff are unable to enter the
aircraft, the information will be relayed using VHF to ground staff who
will note the information for the Station file.
• Note : Following De-Icing, the Tech Log must be actioned by
Engineering. If this is not possible, the Flight Crew must action
the GROUND DE-ICE block, in addition to an entry, noting that
“For info – Aircraft De-Iced, Message Sent.” Refer FOM Ch 23 P 7 01.May.1996.
􀀴 AUTOLAND STATUS : The Autoland Capability will be certified in this box
by appropriately authorised avionics staff in DXB. At outstations,
should a defect occur which, in accordance with the MEL, downgrades
the Autoland Capability, the Category must be entered and certified by
a suitably authorised staff (“Extension A” minimum). If there are no
defects which affect the last certified status, it remains current and no
further entries are required.
• Note : For the B777, the Autoland Capability should read
“Land 3” or “Land 2” or “No Autoland” to reflect available Auto Pilot autoland status.
• Note : For the A330, the Autoland Capability should read “Cat I”, “Cat II”, “Cat IIIa”, ‘Cat IIIb”
• Note : For the A300/310 the Autoland Capability should read “Cat I”, “Cat II”, “Cat III”
􀀴 MAINTENANCE CHECK ACCOMPLISHED : To
be completed by appropriately authorised
staff, the box corresponding to the
check(s) is to be identified by a tick,
signed and authorisation number,
date/time (UTC) entered. There are three
types of check applicable to this area of
the Tech Log Page (explained below). A
Line should be drawn through either
TRANSIT or PDI, leaving untouched the
check that was actually completed. A line will also be drawn through whichever aircraft type is not used i.e.
DAILY B777/A330 indicates daily check accomplished on the B777.
(i) TRANSIT : A Transit check is performed when an aircraft transits a station without a Daily Check
being performed. This check may be performed by the Flight Crew and signed off by the Captain under
special circumstances (FOM Ch 17 Pg 7, Jun 15, 2000). If a Transit Check has been performed, the PDI
check is not required prior to Departure.
(ii) PDI (Pre Departure Inspection) : When a Daily inspection is carried out by Engineering, the aircraft
must undergo a Pre Departure Inspection (PDI) before it is legal to depart. This Inspection /
Certification is a requirement even if the Daily was just completed by the Engineer releasing the aircraft
to service. A PDI can be accomplished by the Captain under special circumstances (FOM Ch 17 Pg 7,
Jun 15, 2000). Note that a PDI is not required if a Transit Check has been completed and signed for.
(iii) DAILY : An aircraft must be within its coverage period of the most recent Daily Check. If a Daily Check
　
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