What was found
APU SHROUD LEAK ABOVE LIMITS. INSTALLED APU FUEL LINE FROM AFT PRESSURE BULKHEAD TO APU FIREWALL, NEW O-RINGS ON FUEL SHROUD. APU FUEL LINES AND SHROUD INSTALLED, OPS GOOD.
- Difficulty date
- December 15, 2011
- Submitted
- January 9, 2012
- Operation
- Air carrier
- Aircraft
- N117UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28810
- Aircraft time
- 52,881 hours, 6,410 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 4930 · APU Engine Fuel and Control
- Part
- Line
- Condition
- Leaking
- Location
- Apu Fuel
- 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.