Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
November 27, 2023
Submitted
December 5, 2023
Operation
Air carrier
Aircraft
N8558Z
Make and model
Boeing 7378H4
Aircraft serial
63602
Aircraft time
19,602 hours, 9,804 cycles
Part
Battery Pack
Part number
UNKNOWN
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

SEVERAL INTERIOR AND EXTERIOR EMERGENCY LIGHT INOPERATIVE.<[01] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK P/N AD-D717-01-100SWA AT POSITIONS M1673 WITH S/N BN429546; M1675 WITH S/N BN 429551 AND M2816 WITH S/N BN 429597 AS PER AMM 33-51-06-960-805; PERFORMED EMERGENCY LIGHT OPERATIONAL TEST AS PER AMM 33-51-06-960-805;[02] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK P/N AD-D717-01-100SWA AT POSITIONS M1673 WITH S/N BN429546; M1675 WITH S/N BN 429551 AND M2816 WITH S/N BN 429597 AS PER AMM 33-51-06-960-805; PERFORMED EMERGENCY LIGHT OPERATIONAL TEST AS PER AMM 33-51-06-960-805;[03] VERIFIED STEP 1; 2

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