Service difficulty report · Battery Pack · Boeing 777223
FAA SDR system
- Difficulty date
- January 17, 2026
- Submitted
- January 21, 2026
- Operation
- Air carrier
- Make and model
- Boeing 777223
- Aircraft serial
- 32880
- Aircraft time
- 87,399 hours, 11,103 cycles
- Part
- Battery Pack
- Part number
- D71702001
- Condition
- No Test
- 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
AIRCRAFT IN BASE MAINTENANCE, EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M33407 FAILED 72C20033010 FUNCTIONAL CHECK. EMERGENCY LIGHT BATTERY PACK. OPS CHECK REQUIRED AFTER BATTERIES ARE FULLY CHARGED. OPS CHECK GOOD IAW AMM 33-51-06.