Service difficulty report · Starter Gen · Boeing 737990ER

Difficulty date
September 27, 2017
Submitted
September 28, 2017
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
14,143 hours, 4,635 cycles
Part
Starter Gen
Part number
28B5459STYLEA
Part serial
60A0537
Condition
Failed
Location
Apu
Part time
10,578 hours, 15,224 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 POWER FAILED TO CONNECT TO AIRCRAFT. ACFT GROUNDED. REMOVED AND INSTALLED A NEW APU STARTER-GENERATOR IAW AMM 49-41-21-000-801 AND 49-41-21-400-801. OPS CHECKED GOOD.