What was found
APU TREND DATA CONTINUES TO REPORT CT5ATP EGT TEMPS THAT ARE HIGHER THAN EXPECTED. INSPECTED APU OIL COOLER REF M/M 49 91 41, NO FAULTS FOUND. REMOVED AND REPLACED APU INLET PRESSURE SENSOR REF M/M 49 52 31, OPS CHECKS NORMAL.
- Difficulty date
- May 25, 2011
- Submitted
- May 26, 2011
- Operation
- Air carrier
- Aircraft
- N569AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35184
- Aircraft time
- 16,003 hours, 5,218 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Sensor
- Part number
- 38762252
- 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.