Service difficulty report · Charger · Boeing 7474B5F

Difficulty date
July 5, 2023
Submitted
July 10, 2023
Operation
Air carrier
Aircraft
N445MC
Make and model
Boeing 7474B5F
Aircraft serial
33515
Aircraft time
84,103 hours, 14,127 cycles
Part
Charger
Part number
20121
Part serial
52321
Condition
Unknown
Location
Unknown
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

FOUND EMERGENCY LIGHT BATTERY PACK (MJ120) FUNCTION FAIL.(<P>1. IAW AMM 33-51-04-002-009-001 & 33-51-04-402-012-001 REV.107. REPLACED POWER SUPPLY (MJ170). 2. IAW AMM 33-51-04-402-012-001 REV 107. PERFORMED EMERGENCY LIGHT POWER. SUPPLY INSTALLATION TEST AND THE RESULT WAS SATISFACTORY. </P>)

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