Service difficulty report · Power Supply · Boeing 7377H4

Difficulty date
June 8, 2020
Submitted
June 12, 2020
Operation
Air carrier
Aircraft
N925WN
Make and model
Boeing 7377H4
Aircraft serial
36630
Aircraft time
41,031 hours, 24,653 cycles
Part
Power Supply
Condition
Failed
Location
Cabin
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

EMERGENCY LIGHTS FAILED OPERATIONAL TEST AT POSITIONS: FWD GALLEY WALL LOWER RT POSITION AND OUTSIDE RT FWD OF AFT CARGO DOOR. SECURED CONNECTOR AT EMERGENCY EXIT SIGN AT FWD GALLEY WALL LOWER RT AND REMOVED AND REPLACED BATTERY POWER SUPPLY AND BATTERY PACK AT POSITION M1670 ON N/R W148484 COPY ATTACHED; AND TEST OF THE EMERGENCY LIGHTS AT FWD GALLEY WALL LOWER RT AND OUTSIDE RT FWD OF AFT CARGO DOOR FOUND NORMAL PER REF AMM 33-51-01-960-802 AND AMM 33-51-06-960-806.

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