Service difficulty report · Battery · Doug MD11F

Difficulty date
July 24, 2012
Submitted
August 6, 2012
Operation
Air carrier
Aircraft
N642FE
Make and model
Doug MD11F
Aircraft serial
48485
Aircraft time
50,062 hours, 10,442 cycles
Engine
Pwa PW4460
Part
Battery
Condition
Discharged
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

RECEIVED A "EMERGENCY LIGHT BATTERY 1 LOW" LEVEL 1 ALERT DURING PREFLT TEST. CHECKED WIRING FROM RELAY R2-5700 PIN A3 TO EMERGENCY LIGHT BATTERY CONECTOR J1 PIN 6, ALL OPS CHECKED GOOD. CHECKED FOR POWER ON PIN A2 OF RELAY R2-5700 AND FOUND 115 VOLTS AC. REMOVED AND REPLACED RELAY R2-5700 AND CHECKED FOR POWER AT PIN 6 OF J1 CONNECTOR OF THE EMERGENCY BATTERY AND FOUND 115 VOLTS AC. REMOVED AND REPLACED DISCHARGED EMERGENCY LIGHT BATTERY IAW AMM-33-51-01-4, OPS CHECKED IAW AMM-33-51-01-05 , CHECKED GOOD.

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