What was found
AIRCRAFT WAS NOT GROUNDED AND IS IN CHECK FOR SCHEDULED MX. DURING OPS CHK, FOUND EPSU BATTERIES 11WL INOPERATIVE. REPLACEMENT REQUIRED IAW AMM 33-51-38-400-002-A REV 103. REPLACED EPSU BATTERY 11WL IAW AMM 33-51-38-400-002-A REV 103.
- Difficulty date
- October 3, 2025
- Submitted
- October 4, 2025
- Operation
- Air carrier
- Aircraft
- N635FR
- Make and model
- Airbus A321271NX
- Aircraft serial
- 11837
- Aircraft time
- 5,193 hours, 2,398 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 929035
- Condition
- Inoperative
- Location
- Zone 200
- 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.