Service difficulty report · Converter · Boeing 737890

Difficulty date
June 6, 2009
Submitted
June 8, 2009
Operation
Air carrier
Aircraft
N562AS
Make and model
Boeing 737890
Aircraft serial
35091
Aircraft time
10,500 hours, 3,200 cycles
Part
Converter
Part number
1152426245
Part serial
060C0900
Condition
Failed
Location
E&E Bay
Part time
25,858 hours, 10,121 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

BLUE "MAINT" LIGHT ILLUMINATED WHEN APU WAS STARTED. FOUND CODE 49 41244 IN CDU. ACCOMPLISHED FIM TASK 49 40 00 810 806 THRU F2E. REMOVED & REPLACED STARTER GENERATOR PER AMM 49 41 21. NO HELP FAULT CODE STILL PRESENT. REQUIRES START CONVERTER UNIT. MAINT PROCEDURES C/W C/N 0604002 SEAMC NOTIFIED. VERIFIED CORRECT STARTER GENERATOR P/N WITH SEAMC. PERFORMED APU START NO ROTATION AND VERIFIED FAULT. REMOVED / INSTALLED APU START CONVERTER UNIT REF 49 41 61. PERFORMED APU START REF 49 11 00, APU OPS NORMAL ELECTRICAL AND AIR REF 49 41 61. APU BITE CURRENT STATUS SHOWS NO FAILURES FOUND.