What was found
EMERGENCY LIGHTING WILL NOT TEST PROPERLY. REMOVED AND REPLACED BATTERY PACK IN POSITION M731. OPS CHECK NORMAL REF B757 AMM 33-51-07-2 AND WDM 33-51-12. AIRCRAFT OK FOR SERVICE.
- Difficulty date
- December 8, 2021
- Submitted
- December 9, 2021
- Operation
- Air carrier
- Aircraft
- N775FD
- Make and model
- Boeing 757200
- Aircraft serial
- 25043
- Aircraft time
- 80,968 hours, 31,275 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 20131A
- Condition
- Failed
- Location
- N/A
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- L
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.