SDR UIEA2018082801822

Service difficulty report · Power Supply · Boeing 74748EF

Difficulty date: August 17, 2018
Submitted: August 30, 2018
Operation: Air carrier
Aircraft: N419MC
Make and model: Boeing 74748EF
Aircraft serial: 28367
Aircraft time: 92,991 hours, 16,160 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Part number: BP573
Part serial: 39828
Condition: Inoperative
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

FOUND EMERGENCY LIGHT INOP CL1854, LI8537. IAW AMM 33-51-04-002-009-001 & 33-51-04-402-012-001 REV 93, REPLACED THE EMERGENCY POWER SUPPLY AND CONDITION CHK NML. IAW AMM 33-51-04-402-012-001 REV 93 PEFORMED POWER SUPPLY TEST, RESULT SATISFACTORY.

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