SDR UIEA2026061500497

Service difficulty report · Power Supply · Boeing 7478F

Difficulty date: June 27, 2026
Submitted: June 29, 2026
Operation: Air carrier
Aircraft: N868GT
Make and model: Boeing 7478F
Aircraft serial: 60119
Aircraft time: 29,826 hours, 5,251 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Part number: BPS73
Part serial: 58684
Condition: Inoperative
Location: Zone 200
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

EMERGENCY LIGHTING L1382, L5730, L5731, L5732, L5734, L6690, M4914, X325, & X326 WENT OFF IN LESS THAN 15 MINUTES. L1382, L5730, L5731, L5732, L5734, L6690, M4914, X325, & X326 EMERGENCY POWER SUPPLY REPLACED, INSTALLATION TEST NORMAL AS PER AMM 33-51-04 REV.50 15MAR2026. NO FURTHER DEFECTS NOTED.</P>)

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