Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
November 12, 2013
Submitted
November 15, 2013
Operation
Air carrier
Aircraft
N407AS
Make and model
Boeing 737990ER
Aircraft serial
41731
Aircraft time
3,786 hours, 1,196 cycles
Part
Warning Light
Condition
False Activation
Location
Apu
Part time
862 hours, 1,737 cycles
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

APU MAINTENANCE LIGHT FLICKERING. ACFT GROUNDED. ACCOMPLISHED APU BITE PROCEDURE IAW TASK 801, NO FAULT MESSAGES NOTED. R & R OIL LEVEL SENSOR, IAW AMM 49-94-11. PERFORMED APU STARTING AND OPERATION TASK IAW AMM 49-11-00, NO DEFECTS NOTED, APU MAINTENANCE LIGHT DID NOT FLICKER.