- Difficulty date
- November 8, 2023
- Submitted
- November 13, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 67424
- Aircraft time
- 506 hours, 154 cycles
- Part
- Fuel Control
- Part number
- 707223652
- Part serial
- CUC29439
- Condition
- Faulty
- Location
- Apu
- Part time
- 233 hours, 350 cycles
- Stage of operation
- IN
- How discovered
- V
- 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
FAULT CODE 49-31161 "FCU RESOLVER CIRCUIT SHOWS SHORT" FOUND WHILE PERFORMING T/C 05-020-01. GROUNDED - YES. (RESOLVED ON W/O: 1977120 TASKCARD: N/R-00001 ) REMOVED AND REPLACED APU FCU PER AMM 49-31-11NO LEAKS NOTED.PERFORMED APU BITEPER AMM 49-61-00NO EXISTING FAULTS FOUND.THIS CLEARS MEL 49-11-01MAINTENANCE PROCEDURES REVERSEDPLACARD REMOVED.