Service difficulty report · Converter · Boeing 737890

Difficulty date
September 8, 2014
Submitted
September 10, 2014
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
25,303 hours, 7,779 cycles
Part
Converter
Part number
1152466250
Part serial
115246601953
Condition
Malfunctioned
Location
Apu Starter
Part time
25,312 hours, 7,783 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

APU FAULT LIGHT ILLUMINATED DURING APU START AT FL380. CSS REQUIRED ON DISPATCH RELEASE. ACFT GROUNDED. REPLACED APU START CONVERTER UNIT REF MM:49-41-61, OPS CK NORMAL.