What was found
APU CT5ATP EGT HAS HISTORY OF INDICATING LOW AND ERRONEOUS. INDICATION ERRORS ARE SUSPECT. REPLACED APU INLET TEMP SENSOR (T2) IAW AMM 49 61 31. OPS CHECK GOOD.
- Difficulty date
- January 23, 2012
- Submitted
- January 25, 2012
- Operation
- Air carrier
- Aircraft
- N533AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35201
- Aircraft time
- 3,999 hours, 1,289 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
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.