SDR FDEA202312031903

Service difficulty report · Power Supply · Doug MD11

Difficulty date: December 3, 2023
Submitted: December 5, 2023
Operation: Air carrier
Aircraft: N591FE
Make and model: Doug MD11
Aircraft serial: 48527
Aircraft time: 93,060 hours, 21,109 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Part number: 6044115
Condition: Failed
Location: Emergency Lights
Stage of operation: IN
How discovered: C
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EMER LT BAT 1 LO LEVEL 1 ALERT ON EMERGENCY LIGHTS TEST. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY, REF AMM 33-51-01-4, OPS CHECKS GOOD. A/C OK FOR SERVICE. REMOVED POWER SUPPLY, EMERGENCY EXIT LIGHTS. MFG: GRIMES, P/N 60-4411-5, S/N 0555

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