What was found
AIRCRAFT IN BASE MAINTENANCE: LIGHTS ASSOCIATED WITH POWER SUPPLY M1673 REMAIN ON WHEN SWITCHED TO THE OFF POSITION. REPLACED POWER SUPPLY WITH SERVICEABLE UNIT IAW B737NG AMM 33-51-06, OPS CHECK GOOD.
- Difficulty date
- April 20, 2021
- Submitted
- April 24, 2021
- Operation
- Air carrier
- Aircraft
- N975AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29549
- Aircraft time
- 55,983 hours, 23,080 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Part serial
- 154026
- Condition
- Faulted
- Location
- Emergency Lights
- 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.