What was found
EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1670 DID NOT ILLUMINATE. REMOVED & REPLACED THE BATTERY PACK (M1670) IAW AMM 33-51-06-960-805, AND PERFORMED A GOOD OPS TEST IAW AMM 33-51-00-710-801.
- Difficulty date
- January 27, 2026
- Submitted
- February 3, 2026
- Operation
- Air carrier
- Aircraft
- N243WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 34863
- Aircraft time
- 64,369 hours, 38,860 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.