SDR IPXA2023090794115

Service difficulty report · Battery · Doug MD11F

Difficulty date: September 7, 2023
Submitted: September 8, 2023
Operation: Air carrier
Aircraft: N258UP
Make and model: Doug MD11F
Aircraft serial: 48416
Aircraft time: 85,082 hours, 18,465 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: UNKNOWN
Condition: Inoperative
Location: Cabin
Stage of operation: TX
How discovered: 9
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

DURING PREFLIGHT EMER LIGHTS TEST LEVEL 1 EMER LT BAT 1 LO APPEARED. DEFERRED EMERGENCY LIGHTING SYS PER MEL 33-50-04 C/W DMP 33-50-4 PLACARD INSTALLEDR&R EMER. BATTERY, DMP REVERSED, PERFORMED OPS CHK. OPS CHK GOOD IAW 33-51-01. THIS ACTION CLEARS DEFERRAL M812193, PLACARD REMOVED

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