Service difficulty report · Unknown · Boeing 7379

Difficulty date
September 13, 2023
Submitted
September 14, 2023
Operation
Air carrier
Aircraft
N932AK
Make and model
Boeing 7379
Aircraft serial
44089
Aircraft time
6,338 hours, 1,836 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND ENG 2 EEC C1 WHILE PERFORMING T/C 05-020-01. HAD CORRELATED MSG 73-43814, COMPRESSOR DISCHARGE TEMP (T3) SENOR CHANNEL - A AND CHANNEL - B SIGNALS DO NOT AGREE. GROUNDED - YES. PERFOMED IFIM TASK G73-20-00-810-856. MSG 73-43814 SHOWED NOT ACTIVE, BUT CHANGED TO ACTIVE WHILE PERFORMING ENG IDLE TEST. LATCH MSG RETURNED WITH MSG 73-43814. MSG 36-10171 IASC-R (BLEED) HAS NO ENGINE - 2 PS3 AND T3 DATA ON MDS-DPC GP 2 BUS ALSO POPULATED. D GREEN 22683 09/13/2023 MSG 73-43814 PREVIOUSLY DEFFERED ON LOG PAGE 60647662. PERFORMED IFIM TASK 36-10-00-810-810 FOR MSG 36-10171, #2 ELECTRICAL LRU REPLACEMENT TEST PASSED. FAULT NOT ACTIVE INTERMITTENT FAULT.

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