SDR I5EA2018091100000

Service difficulty report · Battery Pack · Boeing 7374B7

Difficulty date: September 8, 2018
Submitted: September 11, 2018
Operation: Air carrier
Aircraft: N441US
Make and model: Boeing 7374B7
Aircraft serial: 24812
Aircraft time: 64,228 hours, 43,632 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: 20131A
Part serial: 3557053156
Condition: Discharged
Location: Cabin
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

PASSENGER CABIN (2 EACH ) EMERGENCY LIGHTS BATTERY INOPERATIVE. REMOVED AND REPLACED 2 EACH BATTERY PACK OF EMERGENCY LIGHT IAW AMM 33-51-51, PAGE 202, OPERATIONAL CHECK GOOD IAW AMM 33-51-51, PAGE 204. REMOVED UNITS S/N: 35570 AT STA 753L AND S/N: 53156 AT STA 727G (M1435).

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