Service difficulty report · Nozzle · Boeing 737890

Difficulty date
May 6, 2014
Submitted
May 7, 2014
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
28,585 hours, 8,539 cycles
Part
Nozzle
Part number
38304161
Condition
Malfunctioned
Location
Apu
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 CT5ATP EGT DATA SHOWS EGT IS TRENDING TOWARDS ESTABLISHED THRESHOLD. ACFT GROUNDED. REPLACED 10 EA APU FUEL NOZZLES AND SHROUD IAW: MM 49-31-14-400-801, STEP F 1, A THROUGH G. ACCOMPLISHED STEP G: FUEL NOZZLE INSTALLATION TEST IAW MM 49-31-14-400-801. NO LEAKS NOTED.