Service difficulty report · Battery Pack · Boeing 73779P

Difficulty date
September 16, 2026
Submitted
September 22, 2026
Operation
Air carrier
Aircraft
N7820L
Make and model
Boeing 73779P
Aircraft serial
28253
Aircraft time
68,065 hours, 43,393 cycles
Part
Battery Pack
Condition
No Test
Location
Zone 200
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

AFT RT EMERGENCY BATTERY PACK M1672 FAILED CAPACITY CHECK. R & R CABIN EMERGENCY BATTERY PACK IAW AMM 33-51-06

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