What was found
(AIRCRAFT NOT GROUNDED) EPSU BATTERIES REQUIRE REPLACEMENT FAIL EPSU TEST. REMOVED AND REPLACED EPSU BATTERY 10WL, 11WL, 12WL, 13WL REF AMM 33-51-38-000-002-A AND 33-51-38-400-002-A OPS CHK GOOD.
- Difficulty date
- June 17, 2026
- Submitted
- June 19, 2026
- Operation
- Air carrier
- Aircraft
- N249NV
- Make and model
- Airbus A320214
- Aircraft serial
- 7766
- Aircraft time
- 21,364 hours, 10,977 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Epsu
- Part number
- 321431
- Part serial
- 937733
- 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.