What was found
APU AUTO SHUTDOWN A SECOND TIME. OIL TEMP SENSOR WOULD NOT TIGHTEN. FOUND CRACK ON SENSOR BOSS. REPLACED FUEL INDICATION ASSY REF MM, OP'S NORMAL.
- Difficulty date
- December 9, 2011
- Submitted
- January 13, 2012
- Operation
- Air carrier
- Aircraft
- N221UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30552
- Aircraft time
- 44,106 hours, 5,512 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2840 · Fuel Indicating System
- Part
- Indicator
- Part number
- 41310006
- Part serial
- 570C
- Condition
- Damaged
- Location
- Fuel System
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.