Service difficulty report · Power Supply · Boeing 737990ER
FAA SDR system
- Difficulty date
- February 1, 2022
- Submitted
- February 3, 2022
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 62681
- Aircraft time
- 20,298 hours, 6,640 cycles
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Failed
- Location
- L1 Door
- Stage of operation
- IN
- How discovered
- O
- 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 TASK CARD 78233001 FOUND EMERGENCY LIGHT BATTERY PACK AT L1 DOOR FAILED CAPACITY TEST. EXTERIOR LIGHT AT L1 DOOR AND 3 OTHER LIGHTS AT FWD GALLEY INOP. GROUNDED - YES. R&R EMERGENCY EXIT LIGHT BATTERY PACK, M1675, REF B737-900 AMM 33-51-06, OPS CHECK GOOD.