Service difficulty report · Power Supply · Boeing 737890
FAA SDR system
- Difficulty date
- December 14, 2023
- Submitted
- December 19, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35198
- Aircraft time
- 48,272 hours, 14,357 cycles
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Inoperative
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING EMERG BATTERY PACK CAPACITY FUNCTIONAL CHEKC T/C 78233001. MULTIPLE EMERGENCY LIGHTS FAIL TEST. GROUNDED - YES. REPLACED EMERGENCY BATTERY PSU M1670, M1694 REF AMM 33-51-06 OP CHK GOOD. REPLACED M1672 AND M1673 EMERG BATT OPS CHK GOOD. REF AMM 33-51-06.