What was found
3L BATTERY PACK INOP. FAULT 3350F0002 ON P.F.R. T/S AS PER A350 TSM 33-51-XX-01001- 421A-A, FAULT CONFIRMED. REPLACED EPSU BATTERY 111WL3, TEST PASS . MEL AND PLACARDS REMOVED. (LP# 8052101; AIRCRAFT WAS GROUNDED)
- Difficulty date
- June 4, 2026
- Submitted
- June 8, 2026
- Operation
- Air carrier
- Aircraft
- N505DN
- Make and model
- Airbus A350941
- Aircraft serial
- 0164
- Aircraft time
- 38,382 hours, 3,651 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- 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.