Service difficulty report · Battery Pack · Boeing 7378

Difficulty date
October 18, 2023
Submitted
October 19, 2023
Operation
Air carrier
Aircraft
N8714Q
Make and model
Boeing 7378
Aircraft serial
36934
Aircraft time
13,432 hours, 5,992 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Failed
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

AFT UPPER LH EMERGENCY EXIT LIGHT BATTERY PACK (M1673 STA 952 WL 290 LBL 14) DOES NOT CHARGE<[01] REMOVED ACCESS PANEL AT STA. 952 WL 290 LBL 14 IAW AMM 33-51-06-960-802 STEP 4D.(3).;[02] REMOVED AND INSTALLED NEW EMERGENCY EXIT LIGHT BATTERY PACK AT M1673 IAW AMM 33-51-06-960-802 STEP 4D.(4)(5). A-TAG# WN36672.;[03] ACCOMPLISHED EMERGENCY EXIT LIGHT TEST IAW AMM 33-51-06-960-802 STEP 4D.(6). OPS CHECK GOOD.;[04] VERIFIED STEPS 2 &3<BR>OK TO INSTALL PANEL;[05] RE-INSTALLED PANEL AT M1673 IAW AMM 33-51-06-960-802 STEP 4E.;[06] VERIFIED STEP 5<BR>AUDIT CW

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