Service difficulty report · Charger · Boeing 737990ER

Difficulty date
October 17, 2020
Submitted
October 19, 2020
Operation
Air carrier
Aircraft
N491AS
Make and model
Boeing 737990ER
Aircraft serial
44109
Aircraft time
18,809 hours, 6,014 cycles
Part
Charger
Part number
893003
Part serial
C13132
Condition
Inoperative
Location
Master Battery
Part time
18,802 hours, 6,012 cycles
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

AFTER LANDING ELEC ANNUNCIATOR ILLUMINATED AND REMAINED ON. GROUNDED-YES. P5-13 BITE SHOWS BATTERY CHARGER FAULT VERIFIED MAIN BATTERY CHARGER INOPERABLE (NO LIGHT). REPLACED M5 MATTERY CHARGER, REF B737-900 AMM 24-31-21.