- Difficulty date
- October 12, 2026
- Submitted
- October 15, 2026
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 44080
- Aircraft time
- 19,406 hours, 5,844 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
BATTERY PACK M1676 FAILS OPERATIONAL TEST. GROUNDED - YES. DISPLACED AIR GRILL AT ROW 7DEF IAW AMM 21-23-03. REMOVED EMERGENCY LIGHTS POWER SUPPLY M1676 S/N 169609 IAW AMM 33-51-06. INSTALLED EMERGENCY LIGHTS POWER SUPPLY IAW AMM 33-51-06. EMERGENCY LIGHTS POWER SUPPLY M1676 OPERATIONAL TEST CHECKS GOOD IAW AMM 33-51-06. CLOSED AIT GRILL AT ROW 7DEF IAW AMM 21-23-03.