Service difficulty report · Unknown · Boeing 737890

Difficulty date
March 8, 2012
Submitted
March 21, 2012
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
21,969 hours, 6,538 cycles
Part
Unknown
Condition
Malfunctioned
Location
Apu
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

APU FAULT LIGHT DURING START ATTEMPT. OPERATED APU REF AMM 49 11 00 860 801. APU OPS CHECKS GOOD. PERFORMED APU BITE REF AMM 49 61 00 700 801. NON EW FAULTS FOUND. CANNOT DUPLICATE DEFECT. REPLACED APU STARTER GENERATOR REF AMM 49 41 21 400 801 AND 000 801. APU OPS CHECKS GOOD. FLIGHT VERIFICATION PENDING.