Service difficulty report · Power Supply · Boeing 74747UF

Difficulty date
June 24, 2022
Submitted
June 24, 2022
Operation
Air carrier
Aircraft
N498MC
Make and model
Boeing 74747UF
Aircraft serial
29259
Aircraft time
94,172 hours, 14,951 cycles
Part
Power Supply
Part number
BPS73
Part serial
54762
Condition
Inoperative
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

FOUND EMERGENCY LIGHT (L1853, L1854, L5735) INOP IAW AMM 33-51-04-002-009-001 & 33-51-04-402-012-001 REV 104. REPLACED M5170 EMERGENCY LIGHT POWER SUPPLY AND PERFORMED POWER SUPPLY INSTALLATION TEST, THE RESULT WAS SATISFACTORY</P>)

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