What was found
AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS EMERGENCY LIGHT SYS TEST AT PTP PANEL FAULTS 14WL EPSU. MAINTENANCE REPLACED EPSU & BAT 14WL IAW AMM 33-51-38. OPS CHECK OK.
- Difficulty date
- September 27, 2019
- Submitted
- September 30, 2019
- Operation
- Air carrier
- Aircraft
- N176UW
- Make and model
- Airbus A321211
- Aircraft serial
- 1499
- Aircraft time
- 62,603 hours, 23,487 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Epsu
- Part number
- 32145510
- Part serial
- 2305
- Condition
- Faulty
- Location
- Cabin
- Part time
- 56,233 hours, 21,289 cycles
- 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.