What was found
DURING HEAVY MAINTENANCE, FORWARD CABIN EMERGENCY LIGHTS FAILED TO ILLUMINATE DURING EMERGENCY LIGHT OPERATIONAL TEST WHEN CIRCUIT BREAKERS 1WL (H5) AND 2WL (H6) ARE OPENED; REPLACED EPSU 10WL IAW A320 AMM 33-51-38. OPS CHECKED GOOD.
- Difficulty date
- November 11, 2017
- Submitted
- November 13, 2017
- Operation
- Air carrier
- Aircraft
- N564JB
- Make and model
- Airbus A320232
- Aircraft serial
- 2020
- Aircraft time
- 59,536 hours, 20,972 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 321431
- Part serial
- 786014
- Condition
- No Test
- Location
- Emergency Lights
- Part time
- 6,757 hours, 2,553 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.