What was found
12WL FAILS ON EPSU TEST FOR EMERG LIGHT SYSTEM. / REMOVED & REPLACED BATTERY ON EPSU (12WL) , BITE TEST OK AND OPS CHECK GOOD I/A/W AMM 33-51-38 PB 401."
- Difficulty date
- February 18, 2022
- Submitted
- February 18, 2022
- Operation
- Air carrier
- Aircraft
- N258NV
- Make and model
- Airbus A320214
- Aircraft serial
- 4015
- Aircraft time
- 30,591 hours, 20,204 cycles
- System (JASC)
- 3300 · Lighting System
- Part
- Epsu
- Part number
- 321431
- Part serial
- 804115
- Condition
- None
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- P
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.