What was found
EMERGENCY LIGHT BATTERY PACK M1671 FAILS OPS CHECK. GROUNDED - YES. REMOVED AND REPLACED M1671 POWER SUPPLY S/N 156362 IAW B737NG AMM 33-51-06. OPS CHK GOOD.
- Difficulty date
- September 6, 2026
- Submitted
- September 15, 2026
- Operation
- Air carrier
- Aircraft
- N283AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36358
- Aircraft time
- 31,243 hours, 10,010 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Failed
- 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.