Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date
February 12, 2024
Submitted
February 15, 2024
Operation
Air carrier
Aircraft
N407AS
Make and model
Boeing 737990ER
Aircraft serial
41731
Aircraft time
42,019 hours, 13,102 cycles
Part
Power Supply
Part number
D71702001
Condition
Malfunctioned
Location
Emergency Lights
Stage of operation
IN
How discovered
O
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

REF PREVIOUS REPORTS ON VARIOUS EMERGENCY LIGHTS FLICKERED ON T/O AND CLIMB PRI#1. GROUNDED - YES. (RESOLVED ON W/O: 1989627 TASKCARD: N/R-00001 ) ACCOMPLISHED REPLACEMENT OF M1676 AND 1672 POWER SUPPLY AND BATTERY. PER TSR715602. SEAMC DAVE . REF AMM 33-51-06. SYS OPS NML. CLEAR TSR. SEAMC DAVE.