What was found
EMERGENCY LIGHT SYSTEM FAILED CAPACITY CHECK FOR POWER SUPPLY (M1673) L2.NON ASA EMP 4282870. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY (M1673) IAW B737-900 AMM 33-51-06. OPS CHECK GOOD.
- Difficulty date
- May 30, 2023
- Submitted
- June 5, 2023
- Operation
- Air carrier
- Aircraft
- N461AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36363
- Aircraft time
- 34,512 hours, 10,795 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- No Test
- Location
- Main Passenger C
- 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.