What was found
M1670 EMERGENCY LIGHT BATTERY PACK WILL NOT STAY CHARGED. REMOVED AND REPLACED M1670 EMERGENCY LIGHT BATTERY IAW AMM 33-51-06-960-805 STEP 4E (1)(2)(3)(G); 4E (4-6);4F (5). OPS CHECK GOOD.
- Difficulty date
- August 20, 2025
- Submitted
- September 5, 2025
- Operation
- Air carrier
- Aircraft
- N472WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33831
- Aircraft time
- 69,009 hours, 41,339 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- 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.