Service difficulty report · Battery · Boeing 737990ER

Difficulty date
June 6, 2024
Submitted
August 9, 2024
Operation
Air carrier
Aircraft
N423AS
Make and model
Boeing 737990ER
Aircraft serial
35206
Aircraft time
40,365 hours, 12,721 cycles
Part
Battery
Part number
D71701100
Condition
Failed
Location
Zone 200
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

DURING OP CHECK BOTH L2 AND R2 DOOR BATTERY PACKS FAILED. GROUNDED - YES. REMOVED AND REPLACED BOTH L2 AND R2 DOOR BATTERIES S/N 402680 & 401580. OP CHECK GOOD IAW B737-900ER AMM 33-51-06-960-805.