What was found
CABIN EMERGENCY LIGHTS OPERATIONAL CHECK: {A3NB-33-3-6012} - EMERGENCY LIGHT SYSTEM TEST FAILS. DISPLAYS "ESPU INT LOAD AFT L" RESET ESPU 13WL POWER REF TSM 33-51-00. EMERGENCY LIGHTING OPS CHECK GOOD REF AMM 33-51-00.
- Difficulty date
- March 1, 2022
- Submitted
- March 2, 2022
- Operation
- Air carrier
- Aircraft
- N435UA
- Make and model
- Airbus A320232
- Aircraft serial
- 613
- Aircraft time
- 77,785 hours, 30,186 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Light
- Part number
- NA
- Part serial
- NA
- Condition
- Failed
- Location
- Espu 13wl
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.