Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
June 29, 2021
Submitted
July 14, 2021
Operation
Air carrier
Aircraft
N226WN
Make and model
Boeing 7377H4
Aircraft serial
32494
Aircraft time
53,110 hours, 31,655 cycles
Part
Battery Pack
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

LIGHT ASSOCIATED WITH EMERGENCY LT BATTERY PACK M1670 INOP. / [01] TROUBLE SHOT DOWN TO FAULTY BATTERY AT M1670; PER AMM 33-51-06/20. BATTERY IS ON ORDER.; [02] REMOVED AND REPLACED M1670 EMERGENCY EXIT LIGHT BATTERY PACK AND PERFORMED GOOD INSTALLTION TEST OF APPLICABLE EMERGENCY EXIT LIGHTS IAW AMM 33-51-06-960-805.; [03] VERIFIED; MOVED AND REPLACED M1670 EMERGENCY EXIT LIGHT BATTERY PACK AND PERFORMED GOOD INSTALLTION TEST OF APPLICABLE EMERGENCY EXIT LIGHTS IAW AMM 33-51-06-960-805.; [04] VERIFIED; MOVED AND REPLACED M1670 EMERGENCY EXIT LIGHT BATTERY PACK AND PERFORMED GOOD INSTALLTION TEST OF APPLICABLE EMERGENCY EXIT LIGHTS IAW AMM 33-51-06-960-805.

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