What was found
EMERGENCY LIGHT SYSTEM POWER SUPPLY (M1672) FAILED OPERATIONAL TEST. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT SYSTEM POWER SUPPLY (M1672) PERFORMED OPERATIONAL TEST, OPS TEST GOOD IAW B737-NG AMM 33-51-06-960-806.
- Difficulty date
- June 22, 2023
- Submitted
- July 11, 2023
- Operation
- Air carrier
- Aircraft
- N524AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35195
- Aircraft time
- 45,744 hours, 16,173 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Failed
- Location
- Main Passenger C
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.