- Difficulty date
- September 3, 2012
- Submitted
- September 28, 2012
- Operation
- Air carrier
- Make and model
- Boeing 767322
- Aircraft serial
- 25092
- Aircraft time
- 90,088 hours, 14,361 cycles
- Engine
- Pwa PW4060
- Part
- Apu
- Part number
- 331200E
- Part serial
- 61565331
- Condition
- Faulty
- Location
- Apu Bay
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU AUTO SHUTDOWN, FLT DIVERTED. REPLACED APU FMU. PREVIOUS HISTORY. ACP ECU BITE FOUND AUTO SHUTDOWN LOP MESSAGES. DURING LEAK CHECKS FOUND FMU ATTACHMENT FLANGE CASTING LEAKING UNDER PRESSURE FROM HAIRLINE CRACK. REPLACED APU. OPS CHECK, LEAK CHECK NORMAL. REPLACED APU. OPS CHECKS GOOD.