What was found
EMERGENCY LIGHTING SYSTEM FUNCTIONAL CHECK. M1669 BATTERY PACKS FAILS FUNCTION CHECK REPLACED EMERGENCY LIGHT BATTERY PACK M1669. OP CKS GOOD. M.M. 33-51-06-960-805.
- Difficulty date
- July 17, 2025
- Submitted
- July 21, 2025
- Operation
- Air carrier
- Aircraft
- N14704
- Make and model
- Boeing 737724
- Aircraft serial
- 28765
- Aircraft time
- 84,283 hours, 30,563 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- No Test
- Location
- Zone 200
- 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.