What was found
EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1671 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M1671 AND TEST PASSED IAW B737-900 AMM 33-51-06-960-805.
- Difficulty date
- August 17, 2025
- Submitted
- August 26, 2025
- Operation
- Air carrier
- Aircraft
- N267AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60581
- Aircraft time
- 25,967 hours, 8,365 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.