What was found
APU SHUTS DOWN WITH FAULT LIGHT. APU AUTO SHUT DOWN TWICE, NO WORK. REPLACED APU FLOW SENSING MODULE IAW AMM. APU OPS CHECK NORMAL.
- Difficulty date
- November 21, 2012
- Submitted
- December 11, 2012
- Operation
- Air carrier
- Aircraft
- N544UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25322
- Aircraft time
- 79,180 hours, 22,804 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Module
- Part number
- 36144007600U
- Part serial
- 30
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.