What was found
FLT#31, BOS-AMS. (ETOPS) MX AC GEN CLASS II MESSAGE DEISPLAYED ( CLASS II MX MSG - GPCU OR AC GEN ). REMOVED AND REPLACED GCU 1 PER AMM 24-22-34. BITE TEST PASS NO PRESENT AC GEN FAULT. MX-4 UPDATED MCC NOTIFIED.
- Difficulty date
- June 13, 2025
- Submitted
- June 16, 2025
- Operation
- Air carrier
- Aircraft
- N4080J
- Make and model
- Airbus A321271NX
- Aircraft serial
- 11861
- Aircraft time
- 4,517 hours, 681 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Gcu
- Part number
- 1718201
- Part serial
- AAPT000547
- Condition
- Faulted
- Location
- Nr 1
- 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.