SDR IPXA2015122296998

Service difficulty report · Battery Pack · Doug MD11F

Difficulty date: December 22, 2015
Submitted: December 23, 2015
Operation: Air carrier
Aircraft: N251UP
Make and model: Doug MD11F
Aircraft serial: 48744
Aircraft time: 53,200 hours, 11,096 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Condition: Inoperative
Location: Emergency Lights
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

EMERGENCY LIGHTS WILL NOT TEST. OPS CHECK OF EMERGENCY LIGHT SYSTEM TEST FUNCTION NORMAL IAW MM 33-51-01, REPLACED MSC IAW MM 31-42-01, LP 169468 FOR MSC RR ALSO REPLACED EMERGENCY LIGHTS BATTERY PACK TEST RELAY R2-2700, REF WDM 33-51-01 AND SWPM 20-81-22 RETESTED EMERGENCY LIGHT SYSTEM TEST NORMAL REF 33-51-01, WDM 33-51-01.

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