What was found
APU TEMPERATURE CONTINUES TO BE ABOVE THE ESTABLISHED TEMP ON DEMAND THRESHOLD. ACFT GROUNDED. REPLACED THE APU IAW MM 49-11-00 AND T/C 78349010.
- Difficulty date
- April 30, 2012
- Submitted
- April 30, 2012
- Operation
- Air carrier
- Aircraft
- N512AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 13,942 hours, 4,421 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 38007021
- Part serial
- P7974
- Condition
- Overtemp
- Location
- Aft
- Part time
- 3,948 hours, 6,615 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- M, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.