SDR EISA98199

Service difficulty report · Shutoff Valve · Boeing 72725

Difficulty date: July 30, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N300NE
Make and model: Boeing 72725
Aircraft serial: 18974
System (JASC): 2130 · Cabin Pressure Control System
Part: Shutoff Valve
Part number: 39854021
Condition: Failed
Location: Lt Pack
Stage of operation: TO
Nature of condition: O
Precautionary procedure: H

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER TAKEOFF FROM BDL, AIRCRAFT WOULD NOT PRESSURIZE, RETURNED TO BDL GENERATED FROM PILOT REPORT. REMOVED AND REPLACED LEFT PACK VALVE. REMOVED AND REPLACED OUTFLOW CONTROL VALVE, AND FLOW CONTROL MODULATING VALVE. OPS CHECK NORMAL PER 21-30-00. (M)

More about the Boeing 727-25