- Difficulty date
- January 17, 2025
- Submitted
- January 20, 2025
- Operation
- Air carrier
- Make and model
- Airbus A321271NX
- Aircraft serial
- 10884
- Aircraft time
- 10,526 hours, 2,530 cycles
- Part
- Apu
- Condition
- No Test
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 5004, ATTEMPTED APU COLD SOAK START. FL 360. SAT -53 C. NO START AFTER 3 ATTEMPTS. CORRECTIVE ACTION: DEFERRED PER MEL 49-10-01A. SUBSEQUENT MAINTENANCE APU SHUTDOWN REPORT SHOWS "NO FLAME" CHECK IGNITION SYSTEM FCU (8022KM) FUEL SUPPLY LAST 7 SHUTDOWNS. REPLACED INGITION UNIT. (LP 6406531)