Service difficulty report · Starter · Boeing 737890

Difficulty date
March 30, 2020
Submitted
April 1, 2020
Operation
Air carrier
Aircraft
N508AS
Make and model
Boeing 737890
Aircraft serial
35691
Aircraft time
44,499 hours, 13,212 cycles
Part
Starter
Part number
350594510
Part serial
GRTF1108
Condition
Failed
Location
Nr 2 Engine
Part time
4,777 hours, 1,270 cycles
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

#2 ENGINE NO N2 ROTATION OR INDICATION AFTER START SWITCH SET TO GRD. GROUNDED - YES. VERIFIED #2 STARTER NOT ROTATING WHEN START VALVE OPENED. REMOVED STARTER, INSPECTED CHIP DETECTOR W/> MODERATE DEBRIS > 0.10". NO PARTICLES PRESENT AFT OF QAD ADAPTER. INSTALLED NEW STARTER (AFTER PRE-OILING). ACCOMPLISHED POWER PLANT TEST 1 AND 3A W/ NO OIL/PNEUMATIC LEAKS OBSERVED. AFTER ENGINE RUN, NO DEBRIS FOUND IN STARTER CHIP DETECTO. REF. AMM 80-11-01/301 /601 /401. ETOPS GROUND VERIFICATION SUCCESSFUL.