What was found
APU EGT HAS HISTORY OF INDICATING LOW AND ERRONEOUS. INDICATION ERRORS ARE SUSPECT. ACFT GROUNDED. R & R INLET TEMP SENOR REF AMM 49-61-31. OPS/BITE CHECKED GOOD REF AMM 49-61-00-700-801.
- Difficulty date
- April 29, 2012
- Submitted
- April 30, 2012
- Operation
- Air carrier
- Aircraft
- N560AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35179
- Aircraft time
- 21,930 hours, 6,808 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Sensor
- Part number
- MS280341
- Condition
- Malfunctioned
- Location
- Apu Temp
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.