Service difficulty report · Power Supply · Boeing 737990ER
FAA SDR system
- Difficulty date
- December 12, 2022
- Submitted
- December 14, 2022
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 32,552 hours, 10,111 cycles
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Failed
- 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 ASA TASK CARD 78233001, EMERG BATT PACK CAPACITY FUNCTIONAL CHECK, AISLE EMERGENCY LIGHTS ABOVE SEATS 17, 19 AND 23 FAILED 15 MIN TEST. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY EXIT LIGHT POWER SUPPLY M1671 IAW B737-900 AMM 33-51-06. OP CHECKS NORMAL. OPENED AND CLOSED 1 EA. C/B.