Service difficulty report · Battery Pack · Boeing 73776Q

Difficulty date
April 10, 2023
Submitted
May 8, 2023
Operation
Air carrier
Aircraft
N551WN
Make and model
Boeing 73776Q
Aircraft serial
30280
Aircraft time
66,624 hours, 41,198 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

REMOVE EMERGENCY LIGHTS BATTERY PACK M1675 FOR USE ON A/C 8574 **CORRECTED FAULT DESCRIPTION **REMOVE EMERGENCY LIGHTS BATTERY PACK M1675 FOR USE ON A/C 8527<[01] REMOVED BATTERY PACK M1675 IAW AMM 33-51-06-960-805 STEP E. (1 - 4);[02] INSTALLED SERVICEABLE EMERGENCY BATTERY INTO M1675 AND TESTED PER AMM 33-51-06-960-805; NO DEFECTS NOTED.;[03] VERIFIED CORRECTIVE ACTIONS STEP 2.

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