Service difficulty report · Fcu · Boeing 767300

Difficulty date
August 4, 2009
Submitted
August 7, 2009
Operation
Air carrier
Aircraft
N591HA
Make and model
Boeing 767300
Aircraft serial
33423
Aircraft time
25,180 hours, 4,815 cycles
Part
Fcu
Part number
388250017
Part serial
42725
Condition
Failed
Location
Apu
Part time
20,607 hours, 4,001 cycles
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

ETOPS SIGNIFICANT SYSTEM - 49110500 - APU FAILED TO START "FAULT" LIGHT ILLUMINATED AND EICAS MSG DISPLAYED. ADDITIONAL START ATTEMPTS UNSUCCESSFUL. REMOVED & REPLACED APU STARTER PER AMM 49-41-01 & STILL SLOW TO START. RMVD & REPLACED APU BATT PER AMM 24-31-04 APU AUTO SHUTDOWN DURING START ATTEMPT HUNG AT APPROX 35-38%. REMOVED & REPLACED APU FCU PER AMM 49-31-01. OPS CHECK OK. OK FOR SERVICE.

More about the Boeing 767-300