What was found
EMERGENCY LIGHTS FAILED OPS CHECK. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PPACK M267 IAW B737-900 AMM 33-31-06-960-805 OP CHECKS GOOD IAW B737-900 AMM 33-51-00-710-801.
- Difficulty date
- October 13, 2025
- Submitted
- October 15, 2025
- Operation
- Air carrier
- Aircraft
- N434AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 61620
- Aircraft time
- 35,108 hours, 10,848 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- 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.