Service difficulty report · Battery Pack · Boeing 7379

Difficulty date
May 10, 2026
Submitted
May 12, 2026
Operation
Air carrier
Aircraft
N291BT
Make and model
Boeing 7379
Aircraft serial
44088
Aircraft time
18,286 hours, 5,256 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

WHILE ACCOMPLISHING T/C 33-055-00 L2 DOOR EMERGENCY EXIT LIGHTS FAILED 15 MIN CHECK. GROUNDED - YES. REPLACED BATTERY PACK REF AMM 33-51-06-960-802. TEST PASS.

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