Service difficulty report · Starter · Boeing 737990ER

Difficulty date
August 21, 2017
Submitted
August 22, 2017
Operation
Air carrier
Aircraft
N474AS
Make and model
Boeing 737990ER
Aircraft serial
40715
Aircraft time
8,642 hours, 2,823 cycles
Part
Starter
Part number
1851M36P12
Part serial
GRT11127
Condition
Failed
Location
Nr 1 Engine
Part time
8,635 hours, 2,821 cycles
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

ON PERFORMING TASKCARD 78472040, FOUND DEBRIS ON THE NR 1 ENGINE AGB/TGB CHIP DETECTOR. NR 1 ENGINE STARTER REQUIRES REPLACEMENT. ACFT GROUNDED. REMOVED EXISTING STARTER. INSTALLED SERVICEABLE STARTER, IAW AMM 80-11-01. SERVICED THE STARTER IAW AMM 80-11-01. REPLACED SCAVENGE OIL FILTER ELEMENT. ENGINE IDLE RUN PERFORMED TO ACCOMPLISH OIL AND AIR LEAK CHECKS IAW AMM 71-00-00. ALL LEAK CHECKED GOOD.