What was found
DURING A WEEKLY EMERGENCY LIGHT TEST, THE SYSTEM FAILED. FOUND THE EPSU BATTERY AT FAULT 10WL AND 13WL. R & R BOTH BATTERY PACKS IAW AMM 33-51-38. OPS TESTED OK.
- Difficulty date
- September 17, 2017
- Submitted
- September 18, 2017
- Operation
- Air carrier
- Aircraft
- N507JT
- Make and model
- Airbus A320232
- Aircraft serial
- 1240
- Aircraft time
- 61,610 hours, 22,973 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 321431
- Part serial
- 095791
- Condition
- No Test
- Location
- Emergency Lights
- Part time
- 26,701 hours, 9,434 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.