Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
June 21, 2022
Submitted
June 27, 2022
Operation
Air carrier
Aircraft
N8632A
Make and model
Boeing 7378H4
Aircraft serial
60082
Aircraft time
27,537 hours, 12,517 cycles
Part
Battery Pack
Condition
Inoperative
Location
Cabin
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

SEVERAL EMERGENCY LIGHTS ASSOCIATED WITH BATT PACK M1694 INOP. / [01] REMOVED EMERGENCY LIGHT BATTERY PACK M1694 AND INSTALLED SERVICEABLE PACK AND PERFORMED INSTALLATION TEST PER AMM 33-51-06-960-805; LIGHTS ASSOCIATED WITH M1694 STILL INOP;[02] VERIFIED CORRECTIVE ACTION #1.;[03] OK TO CLOSE AIR RETURN GRILLE COMMON TO BATTERY PACK M1694.;[04] VERIFIED OK TO CLOSE AIR RETURN GRILLE COMMON TO BATTERY PACK M1694.;[05] CLOSED AIR RETURN GRILLE PER AMM 33-51-06-960-805 STEP 4.F.(5).<BR>PERFORMED POWER SUPPLY DEEP CYCLE PER AMM 33-51-06-600-802.<BR>PERFORMED GOOD TEST OF BATTERY PACK M1694 AND ASSOCIATED LIGHTS PER AMM 33-51-06-960-805 STEP 4.E.(6).;[06] VERIFIED CORRECTIVE ACTION 5. OPS CHECKS GOOD PER AMM 33-51-06-960-805 STEP 4.E.(6)

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