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NORM
ABN-70
10/10
AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET , ,
HIGH ENGINE VIBRATION
The ECAM’s VIB advisory (N1 ≥6 units, N2 ≥4.3 units) is mainly a guideline to
induce the crew to monitor
engine parameters more closely
VIB detection alone does not require engine shutdown.
Note: 1. High engine vibrations may be accompanied by cockpit and cabin smoke,
and/or the smell
of burning. This may be due only to compressor blade tip contact with associated
abradable
seals.
2. High N1 vibrations are generally accompanied by perceivable airframe vibrations.
High N2 vibrations can occur without perceivable airframe vibrations.
�� If no icing conditions :
ENG
PARAMETERS...............................................................................................................
......CHECK
Check engine parameters and especially EGT ; crosscheck with the other engine.
Report in the
maintenance log.
�� If rapid increase above the advisory :
THRUST LEVER (affected
engine)......................................................................................RETARD
Flight conditions permitting, reduce N1 to maintain the vibration level below the
advisory threshold.
Note: If the VIB indication does not decrease following thrust reduction, this may
indicate other
engine problems. Apply the adequate procedure.
�� If icing conditions :
An increase in N1 vibrations in icing conditions, with or without engine anti-ice, may
be due to fan
blades and/or spinner icing.
A/THR.............................................................................................................................
.................. OFF
ENGINE
ANTI-ICE........................................................................................................................
CHECK
If ENG ANTI-ICE is off, switch it ON at idle fan speed, one engine after the other at
an approximate
30 s interval.
THRUST LEVER (one engine at a
time).................................................................INCREASE THRUST
Increase thrust to a setting compatible with the flight phase. The VIB level will return
to normal after ice
is shed, despite a slight increase during acceleration. Resume normal operation.
Note: When vibrations above the advisory level have been experienced during the
flight, and if
possible, shut down the engine after landing, for taxiing.
ABN-70
1/10
AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET MSN
ENG DUAL FAILURE - FUEL REMAINING - ENGINE RELIGHT
ATTEMPT
As long as none of the engines recover, the flight crew must apply this paper
procedure when required by
the ENG DUAL FAILURE procedure. If time permits, clear ECAM alerts, and check
the ECAM STATUS
page.
LAND ASAP
OPTIMUM RELIGHT
SPD................................................................................................................... 280 KT
Note: In the case of an ″ENG DUAL FAILURE″ during high power operations (i.e.
climb, cruise), it is
mandatory to fly at or above the optimum relight speed in order to prevent engine
core lock.
In the case of a speed indication failure (volcanic ash), Pitch attitude for optimum
relight speed is:
WEIGHT Pitch (°)
At or below 60 000 kg/132 000 lb -2.5
70 000 kg/154 000 lb -1.5
80 000 kg/176 000 lb -0.5
At 280 kt, the aircraft can fly up to about 2.4 nm per 1 000 ft (with no wind).
LANDING
STRATEGY................................................................................................................DE
TERMINE
Determine whether a runway can be reached, or the most appropriate place for a
forced landing/ditching.
VHF1/HF1 ��
/ATC1.............................................................................................................................
USE
ATC.................................................................................................................................
...................NOTIFY
�� IF NO RELIGHT AFTER 30 SEC:
ENG
MASTERS..................................................................................................................
OFF 30 S/ON
Unassisted start attempts can be repeated until successful, or until APU bleed is
available.
�� IF UNSUCCESSFUL:
CREW OXY MASKS (Above FL
100)..................................................................................................ON
　
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