What was found
APU CT5ATP EGT TREND DATA SHOWS EGT HAS SHIFTED ABOVE THE ESTABLISHED THRESHOLD. REPLACED 10 APU FUEL NOZZLES PER MM 49-31-14-000-801 AND MM 49-31-14-400-801. STARTED AND RAN APU FOR 5 MINS NO LEAKS NOTED.
- Difficulty date
- April 12, 2011
- Submitted
- April 19, 2011
- Operation
- Air carrier
- Aircraft
- N569AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35184
- Aircraft time
- 15,556 hours, 5,082 cycles
- System (JASC)
- 4970 · APU Indicating System
- Part
- Fuel Nozzle
- Part number
- 38304161
- Condition
- Malfunctioned
- Location
- Apu Engine
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.