Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
January 12, 2022
Submitted
January 13, 2022
Operation
Air carrier
Aircraft
N446WN
Make and model
Boeing 7377H4
Aircraft serial
29842
Aircraft time
59,402 hours, 34,954 cycles
Part
Battery Pack
Condition
Failed
Location
Cabin
Stage of operation
UK
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 LIGHT BATTERIES FAILED CAPACITY TEST AT LOCATIONS M1674; M1669; M1672; M1673; M1670 ; EMERGENCY LIGHT ATTERIES FAILED CAPACITY TEST AT LOCATIONS M1674; M1669; M1672; M1673; M1670 / [01] R+R EMERGENCY LIGHT BATTERY PACKS MT1672 AND MT1673 IAW AMM 33-51-06. OPS CHECK GOOD.; [02] R+R EMERGENCY LIGHT BATTERY PACKS M1672 AND M1673 IAW AMM 33-51-06. OPS CHECK GOOD.; [03] REPLACED EMERGENCY LIGHT BATTERY PACKS AT M1669; M1670; M1674; [04] REPLACED EMERGENCY LIGHT BATTERY PACKS AT M1669; M1670; M1674 PER AMM 33-51-06; OPS CK GOOD

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