Service difficulty report · Power Supply · Boeing 737890
FAA SDR system
- Difficulty date
- February 7, 2024
- Submitted
- February 8, 2024
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35175
- Aircraft time
- 58,096 hours, 20,560 cycles
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Inoperative
- Location
- 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.
What was found
WHILE ACCOMPLISHING EMERGENCY BATTERY PACK CAPACITY FUNCTIONAL TEST, AFT LEFT SECTION BATTERY PACK DID NOT OPERATE CORRECTLY. GROUNDED - YES. REMOVED AND REPLACED M1673 BATTERY PACK ASSY EMERGENCY LIGHT OPERATIONAL CHECK GOOD REF WDM 33-51-14 P4 SHEET 1.