Service difficulty report · Power Supply · Boeing 737990ER
FAA SDR system
- Difficulty date
- September 15, 2026
- Submitted
- September 17, 2026
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 64152
- Aircraft time
- 31,227 hours, 9,921 cycles
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Faulty
- 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.
What was found
WHILE PERFORMING T/C 78233001, FOUND 2 FWD GALLEY, 2 AFT GALLEY, & 1 MIDDLE CABIN RT SIDE EMERGENCY LIGHT BATTERIES FAULTY. GROUNDED - YES. R & R 5 EMERGENCY LIGHT BATTERIES IAW AMM 33-51-06-960-805. OPS CHK FAILED AT AFT GALLEY RT EMERGENCY LIGHT STILL OFF. R & R AFT GALLEY RT SIDE EMERGENCY LIGHT BATTERY POWER SUPPLY & BATTERY IAW AMM 33-51-06. OPS CHKD GOOD.