What was found
EMERGENCY LIGHTS FOR POWER SUPPLY M1670 INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHTS POWER SUPPLY M1670 S/N 35747 REF B737NG AMM 33-51-06-960-806. EMERG LIGHTS OPS CHECKS GOOD REF. B737NG AMM 33-51-06-960-806.
- Difficulty date
- October 11, 2025
- Submitted
- October 20, 2025
- Operation
- Air carrier
- Aircraft
- N579AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 66,572 hours, 19,991 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.