Service difficulty report · Battery Pack · Boeing 737990ER
FAA SDR system
- Difficulty date
- July 12, 2025
- Submitted
- July 15, 2025
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 36,868 hours, 11,417 cycles
- Part
- Battery Pack
- Part number
- D71701100
- 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
DURING T/C 78233008 FOUND EXT OVERWING EMERGENCY EXIT LT FOR LH WING INOP. GROUNDED - YES. THERE WERE SEVERAL EMERGENCY LIGHTS OUT. REMOVED AND REPLACED BATTERY PACK M2335 IAW AMM 33-51-06-960-805, OPS CHECKS GOOD. CLEARS MEL 33-14C, SEAMC NOTIFIED. NO AIRCRAFT CONFIGURATION CHANGE.