Service difficulty report · Stator · Boeing 737890

Difficulty date
September 28, 2009
Submitted
October 5, 2009
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
10,678 hours, 3,356 cycles
Part
Stator
Part number
9387M17P09
Part serial
HTL20864
Condition
Out Of Tolerance
Location
Nr 2 Alternator
Part time
10,715 hours, 3,367 cycles
Stage of operation
IN
How discovered
9
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

NR 2 ENGINE SHOWS FMC CDU SHORT TIME FAULT CODE 73-21272 "THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE". PLT DEFERRED MAINT. REPLACED STATOR ALTERNATOR AND ROTOR ALTERNATOR REF MM 73-21-08-000-801-F00. REQ TESTS 13-3A ACCOMPLISHED INSTALLATION OF NR 2 ENG STATOR ALTERNATOR AND TEST PER AMM 73-21-08-400-801-F00, OPS CHECKED OK. ACCOMPLISHED TEST 3A IDLE POWER LEAK CHECK REF AMM 71-00-00-700-801-F00 AND TEST 13 ENGINE RUN ECC BITE CHECK REF AMM 71-00-00-700-808-F00, LEAK CHECKED OK & BITE CHECKED OK. NO FAULTS DETECTED, NOTIFIED SEAMC.