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SDR CALA2017090102965

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Service difficulty report · Battery Pack · Boeing 737724

FAA SDR system

Difficulty date
August 31, 2017
Submitted
September 1, 2017
Operation
Air carrier
Aircraft
N17730
Make and model
Boeing 737724
Aircraft serial
28798
Aircraft time
59,999 hours, 20,689 cycles
System (JASC)
3350 · Emergency Lighting
Part
Battery Pack
Part number
ADD71701100
Part serial
91784
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

DURING EMERGENCY LIGHTS FUNCTIONAL TEST, FOUND THE BULLNOSE BIN EMERGENCY LIGHT POSITIONS 34LT, 29LT, 26LT, 23LT, 31RT, L4 DOOR EXIT SIGN AND AFT GALLEY RT EXIT SIGN INOPERATIVE. REMOVED & REPLACED THE BATTERY PACK M1273 AT THE LT AFT GALLEY & PERFORMED OPS CHECK, LIGHTS FOUND NORMAL IAW AMM 33-51-06, AND AMM 33-51-00.