Service difficulty report · Battery · Boeing 7474B5F

Difficulty date
September 8, 2026
Submitted
September 9, 2026
Operation
Air carrier
Aircraft
N713CK
Make and model
Boeing 7474B5F
Aircraft serial
32808
Aircraft time
89,867 hours, 15,745 cycles
Part
Battery
Part number
20131A
Part serial
51741
Condition
Inoperative
Location
Zone 200
Part time
70,323 hours, 10,370 cycles
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

TWO EMERGENCY LIGHTS INOPERATIVE ON CEILING TOWARDS REAR OF CABIN AREA. REMOVED & REPLACED BATTERY POWER SUPPLY, ALL CHECKS GOOD IAW AMM 33-51-04.

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