SDR FDEA202010032404

Service difficulty report · Battery · Doug MD11F

Difficulty date: October 3, 2020
Submitted: October 5, 2020
Operation: Air carrier
Aircraft: N599FE
Make and model: Doug MD11F
Aircraft serial: 48598
Aircraft time: 84,619 hours, 17,719 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: 6044115
Part serial: 1172
Condition: Failed
Location: Emergency Lights
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

DURING PREFLIGHT TEST OF EMERGENCY LIGHT SYSTEM GOT LEVEL 1 "EMER LT BAT 1 LO" ALERT. REMOVED & REPLACED EMERGENCY LIGHTING BATTERY/POWER SUPPLY, PER AMM 33-51-01-4. SDR INFO: GRIMES, RECHARGEABLE BAT POWER SUPPLY P/N 60-4411-5, S/N 1172.

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