Service difficulty report · Battery Pack · Boeing 73776N

Difficulty date
May 6, 2022
Submitted
May 10, 2022
Operation
Air carrier
Aircraft
N7729A
Make and model
Boeing 73776N
Aircraft serial
32675
Aircraft time
50,989 hours, 25,541 cycles
Part
Battery Pack
Part number
M1673
Condition
Inoperative
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

PASSENGER CABIN EMERGENCY EXIT SIGNS AT L2 AND R2 DOORS INOP. / [01] PERFORMED CHARGE OF THE BATTERY PACKS M1672 ; M1673 AND PERFORMED OPERATIONAL TEST ;TEST PASS. REF. TO B 737 AMM 35-51-06-610-602; AMM 33-51-00-710-801.;[02] VERIFIED OP CHECK OK.

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