What was found
APU EGT (CT5ATP) TREND DATA SHOWS A SUDDEN SHIFT. INDICATION ERRORS ARE SUSPECT. REPLACED APU INLET TEMP SENSOR (T2) REF MM 49 61 31 000 801 AND 49 61 31 400 801.
- Difficulty date
- January 26, 2012
- Submitted
- January 30, 2012
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 19,191 hours, 6,122 cycles
- System (JASC)
- 4970 · APU Indicating System
- Part
- Sensor
- Part number
- MS280341
- Condition
- Faulty
- Location
- Apu
- 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.