Service difficulty report · Fcu · Boeing 737890

Difficulty date
February 3, 2009
Submitted
February 6, 2009
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
7,577 hours, 2,226 cycles
Part
Fcu
Part number
4419215
Part serial
CUC15177
Condition
Failed
Location
Apu
Part time
1,946 hours, 520 cycles
Stage of operation
IN
How discovered
V
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

APU WILL NOT START. GROUNDED YES. DURING T/S FOUND APU LUBE MODULE DIFF PRESS PIN EXTENDED & END OF INDICATOR DAMAGED T/S TO INOP FUEL CONTROL WILL REQUIRE REPLACEMENT. INSTALLED FUEL CONTROL REMOVED. MIG 51 TAGS S/N 24974 27702 24146 AND 13623 INSTALLED ON ALL FUEL BOOST PUMP SWITCHES. R&R APU LUBE MODULE DIFF. PRESSURE INDICATOR PER AMM 49 91 13. INSTALLED FUEL CONTROL PER AMM 49 31 11.