Service difficulty report · Power Supply · Boeing 737990ER
FAA SDR system
- Difficulty date
- December 13, 2024
- Submitted
- December 17, 2024
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 44,687 hours, 14,086 cycles
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Inoperative
- Location
- Zone 200
- 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
BOTH EMERGENCY LIGHTS OVER LH OVER WING EXIT HATCHES INOP. GROUNDED - YES. M1694 BATTERY PACK BAD, REMOVED AND REPLACED M1694 IAW AMM 33-51-06-960-805. ALTERNATE DEACTIVATION PROCEDURES USED IAW MPM CH5, 5-07-01, TABLE 3. OPS CHECK GOOD.