What was found
APU IS INDICATING INCREASE IN OIL CONSUMPTION. CURRENT CONSUMPTION RATE IS .08 QPH. REPLACED APU OIL COOLER REF MM 49 91 41. LEAK CHECK OK.
- Difficulty date
- October 30, 2011
- Submitted
- November 3, 2011
- Operation
- Air carrier
- Aircraft
- N562AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35091
- Aircraft time
- 19,578 hours, 5,982 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil Cooler
- Part number
- 1605642
- Part serial
- 78408
- Condition
- Defective
- Location
- Apu
- Part time
- 3,276 hours, 2,891 cycles
- 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.