Service difficulty report · Battery Pack · Boeing 73771B

Difficulty date
September 22, 2020
Submitted
September 24, 2020
Operation
Air carrier
Aircraft
N7854B
Make and model
Boeing 73771B
Aircraft serial
29372
Aircraft time
39,831 hours, 26,957 cycles
Part
Battery Pack
Condition
Inoperative
Location
Emergency Light
Stage of operation
IN
How discovered
9
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

SEVERAL EMERGENCY LIGHT INOP IN CABIN ON LT SIDE. REMOVED BATTERY PACK ON LT SIDE FWD OF RISER DUCT AT FLOOR AND AFT LT BATTERY PACK IN CEILING AND LIGHTS. OPS CHECKED GOOD, REF MM 33-51-06.

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