What was found
WHILE ACCOMPLISHING TC 78233001 FOUND M1673 EMERGENCY POWER SUPPLY NOT PASSING OPS CHECK. GROUNDED - YES. REMOVED AND REPLACED M1673 EMERGENCY POWER SUPPLY REF WDM 35-51-4 AND AMM 33-51-06. OPS CHECK NORMAL.
- Difficulty date
- January 15, 2024
- Submitted
- January 17, 2024
- Operation
- Air carrier
- Aircraft
- N517AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35197
- Aircraft time
- 54,233 hours, 15,909 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- No Test
- Location
- Main Cabin
- 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.