Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
August 1, 2024
Submitted
August 2, 2024
Operation
Air carrier
Aircraft
N478WN
Make and model
Boeing 7377H4
Aircraft serial
33989
Aircraft time
66,062 hours, 39,438 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
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

EMERGENCY LTS L6; 547; 548; 732; 1365 AND ASILE LTS AT SEAT ROW 9 AND 12 ABC INOP.<[01] REPLACED LAMP AT AFT ESCAPE SLIDE LIGHT L732 PER AMM 33-51-04-960-801. <BR><BR>REPLACED FUSE ASSOCIATED WITH OVERWING EXIT LOCATOR SIGN L1365 PER AMM 33-51-06-960-804. <BR><BR>RECONNECTED CONNECTOR FOR OVERWING ESCAPE LIGHT; L6 PER SWPM 20-60-06.<BR><BR>REPLACED EMERGENCY LIGHT BATTERY PACK M1670; FOR LIGHTS L547; L548; AND AISLE LIGHTS AT SEAT ROW 9 AND 12 ABC; AND PERFORMED GOOD TEST OF EMERGENCY LIGHTS PER AMM 33-51-06-960-805;[02] VERIFIED CORRECTIVE ACTION #1

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