Service difficulty report · Battery Pack · Boeing 737890

Difficulty date
October 10, 2019
Submitted
October 11, 2019
Operation
Air carrier
Aircraft
N537AS
Make and model
Boeing 737890
Aircraft serial
35204
Aircraft time
30,064 hours, 8,710 cycles
Part
Battery Pack
Condition
Discharged
Location
Emergency Lights
Stage of operation
IN
How discovered
V
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

R1 AND L1 EMERG EXIT LIGHTS AND SIGNS INOP. GROUNDED - YES. SWAPPED LEFT AND RIGHT BATTERY PACKS, PROBLEM FOLLOWS. REPLACED R1 & R2 EMERG LITE PWR SUPPLY & BATTERY ASSYS. OPS CKS GOOD, REF B737-800 AMM 33-51-06.