Service difficulty report · Battery Pack · Boeing 7378F2

Difficulty date
September 15, 2025
Submitted
September 17, 2025
Operation
Air carrier
Aircraft
N826SY
Make and model
Boeing 7378F2
Aircraft serial
34411
Aircraft time
55,631 hours, 29,980 cycles
Part
Battery Pack
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

6-12ABC EMERGENCY AREA LIGHTS FAILED CAPACITY CHECK RETEST. PER AMM 33-51-06-200-801 STEP 5 REMOVED AND REPLACED AFT POWER SUPPLY BATTERY PACK REF: 31-51-06-960-805. EMERGENCY LIGHTS CHECK GOOD.

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