What was found
APU OIL QTY WENT TO .50 AFTER 47 MIN INTO FLIGHT 27 MIN. ABOVE 20K CRUISE AT 35K. MANUALY SHUT APU DOWN. REMOVED AND REPLACED APU USING M57-49-02. OPS CHECK OK. (K)
- Difficulty date
- February 11, 2007
- Submitted
- February 21, 2007
- Operation
- Air carrier
- Aircraft
- N552TZ
- Make and model
- Boeing 75733N
- Aircraft serial
- 32586
- Engine
- Rroyce RB211535E4
- System (JASC)
- 4990 · APU Oil System
- Part
- Apu
- Part number
- 380029817
- Part serial
- P2504
- Condition
- Unserviceable
- Location
- Apu Bay
- Part time
- 20,124 hours, 6,433 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- H
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.