SDR UIEA2018010500014

Service difficulty report · Controller · Boeing 767316

Difficulty date: January 4, 2018
Submitted: January 5, 2018
Operation: Air carrier
Aircraft: N1381A
Make and model: Boeing 767316
Aircraft serial: 27615
Aircraft time: 83,389 hours, 17,485 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Controller
Part number: 79275515
Part serial: 200404014
Condition: Failed
Location: Duct Pressure
Stage of operation: CL
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

NR 1 A/C PACK AND CLIMB TROUGH 4000, LT DUCT PRESSURE 3300, RT DUCT PRESSURE, 1500. DID NOT QUIT DOWN UNTIL APPROCH FL 240. PRESSURE CONSISTANT THROUGHT FLIGHT AT 3300 - 1500. R & R PRV CONTROLLER IAW AMM 36-11-14, OPS CHECKED GOOD, LEAK CHECKED MUSCLE AIR LINE VALVE TO CONTROLLER. ALL CHECKED GOOD, ENGINE RUNS IAW AMM 71-00-00. OK FOR SERVICES.