SDR UALA2011020100550

Service difficulty report · Sense Line · Boeing 767322

Difficulty date: February 1, 2011
Submitted: February 3, 2011
Operation: Air carrier
Aircraft: N659UA
Make and model: Boeing 767322
Aircraft serial: 27114
Aircraft time: 78,949 hours, 12,735 cycles
Engine: Pwa PW4060
System (JASC): 7500 · Engine Bleed Air System
Part: Sense Line
Condition: Leaking
Location: Rt Engine
Stage of operation: TO
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.

What was found

RT DUCT PRESSURE SIGNIFICANTLY HIGHER THAN LT DUCT AT T/O AND CLIMB POWER (60-47 PSI). R & R RT PRSOV, RT DUCT PRESS TRANSDUCER, RT HPC, RT PRC REF MM, NO HELP. SUSPECT PRSOV SENSE LINE LEAKING. R & R LINE, RAN ENGINES AT HIGH POWER. DUCT PRESS NORMAL AT ALL PARAMETERS.