Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
May 17, 2024
Submitted
May 21, 2024
Operation
Air carrier
Aircraft
N252WN
Make and model
Boeing 7377H4
Aircraft serial
34973
Aircraft time
59,085 hours, 35,505 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Inoperative
Location
Emergency Lights
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

14A EMERGENCY LIGHT INOP<[01] R&R?D M1673 POWER SUPPLY AND BATTERY; R&R?D M1670 POWER SUPPLY AND BATTERY; AND R&R?D M1668 BATTERY REF AMM 33-51-06. REFERENCE TTG8Q00RQXJV FOR PART INSTALLATION. REPLACED SPLICE SM8 AT CONNECTOR D10712 REF WDM 33-51-11-1 AND SWPM 20-30-12.;[02] R&R?D M1673 POWER SUPPLY AND BATTERY; R&R?D M1670 POWER SUPPLY AND BATTERY; AND R&R?D M1668 BATTERY REF AMM 33-51-06. REFERENCE TTG8Q00TE340 FOR PART INSTALLATION. REPLACED SPLICE SM8 AT CONNECTOR D10712 REF WDM 33-51-11-1 AND SWPM 20-30-12.;[03] RESECURED PIN #2 AT CONNECTOR D40196J POS 3 PER SWPM 20-60-03; EMERGENCY LIGTHS OPS CHECK GOOD.

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