EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION AIDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 12
Nov 02
CFM56-5B TRAINING MANUAL
THE AIRCRAFT INTEGRATED DATA SYSTEM (AIDS).
Engine take off report <04>.
This report is generated while in the take off flight phase when the sum of the EGT for both engines is maximum. It is used to check the trend and the stress of the engines during take off.
One report is generated per leg (programmable frequency).
The report mainly contains data from both engines, including the maximum EGT (EGTM). The radio height (RALT), provided by radio altimeters 1 & 2, is also printed.
T/O delta N1 summary data.
The history of the difference between the maximum value of N1 (N1MX) and the actual N1 during previous take offs is provided for both engines. This data is calculated a few seconds after entry into the take off flight phase,
independently from the report trigger.
Engine report on request <05>.
This report provides a snapshot of the engine parameters and is only generated on manual request.
Parameters for both engines are recorded at 1 second intervals, from 5 seconds before the request to 5 seconds after.
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION AIDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 14
Nov 02
CTC-231-094-00 ENGINE TAKE-OFF REPORT - ENGINE REPORT ON REQUEST
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION AIDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 15
Nov 02
CFM56-5B TRAINING MANUAL
THE AIRCRAFT INTEGRATED DATA SYSTEM (AIDS).
Engine gas path advisory report <06>.
This report is generated by any of the following trigger conditions :
- Stall condition detected on one engine.
- Exceedance of one of the primary engine
parameters (EGT, N1, N2) detected on one engine.
- Fuel shut-off valve closed in flight for at least 4 seconds on one engine.
3 sets of parameters for both engines are recorded at 6 second intervals before the event, 1 set at the event and 5 sets at 5 second intervals after the event.
Limit exceedance summary.
The following data provides a summary on the exceedance that occurred :
- E : Engine (1 or 2) on which the exceedance occurred.
- MAX : Maximum value (peak) of the exceeded parameter.
- LIM : Programmable limit that was exceeded.
- REF : N2 at stall detection (for all other exceedance, zeros are printed).
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