- Difficulty date
- November 15, 2013
- Submitted
- November 18, 2013
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 25,461 hours, 7,642 cycles
- Part
- Starter Gen
- Part number
- 28B5457STYLEC
- Part serial
- 105B0321
- Condition
- Cracked
- Location
- Apu
- Part time
- 4,200 hours, 7,153 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
M/C REPORTS THE APU OIL CONSUMPTION HAS SPIKED. ACFT GROUNDED. TROUBLESHOT AND FOUND APU OIL LEAKING FROM CRACKED STARTER GENERATOR HSG REF FIM 49-90-00-810-813. REPLACED APU STARTER-GENERATOR REF AMM 49-41-21-000-801 AND AMM 49-41-21-400-801. OPS CHECK APU NORMAL, OIL SERVICED TO FULL.