What was found
EMERGENCY LIGHT AT AFT LH OVERWING DOOR FAIL THE TEST. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK (M1670 AT L/H SEAT ROW 22 AND PERFORMED OPS CHECK TEST GOOD IAW B737 NG AMM 33-51-06-960-805 SRXR430X.
- Difficulty date
- March 7, 2026
- Submitted
- March 12, 2026
- Operation
- Air carrier
- Aircraft
- N253AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36348
- Aircraft time
- 34,627 hours, 11,247 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71701100
- 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.