What was found
PER T/C 78233008 EMERGENCY LIGHTS ARE INOP AT ROW 4, 9, AND 13. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY POWER SUPPLY M1676 PER WDM 33-51-12-4 OPS TEST GOOD AT ROW 4, 9 AND 13.
- Difficulty date
- December 4, 2023
- Submitted
- December 5, 2023
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 38,042 hours, 11,957 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Inoperative
- Location
- Emergency Lights
- 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.