What was found
EMERGENCY LIGHTS DISPATCH MSG. PERFORMED BITE OF EPSU, FAULTING POWER SUPPLIES UNITS 102WL3 AND 102WL4, R/R BOTH UNITS PER A350 AMM 33-51, TESTS OK, DISPATCH MSG CLEARED, OK FOR SVC. (LP# 7606668)
- Difficulty date
- October 19, 2025
- Submitted
- October 22, 2025
- Operation
- Air carrier
- Aircraft
- N523DN
- Make and model
- Airbus A350941
- Aircraft serial
- 0677
- Aircraft time
- 6,842 hours, 541 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- No Test
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.