What was found
EMERGENCY LIGHT BATTERY PACK M1670 WILL NOT CHARGE. GROUNDED - YES. REMOVED, REPLACED AND PERFORMED INSTALLATION TEST OF EMERGENCY LIGHT BATTERY, POWER PACK M1670 PER AMM 33-51-06-960-806, INSTALL TEST GOOD.
- Difficulty date
- October 15, 2026
- Submitted
- October 20, 2026
- Operation
- Air carrier
- Aircraft
- N288AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60575
- Aircraft time
- 29,550 hours, 9,516 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Inoperative
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.