SDR 95ZZZX4284

Service difficulty report · Valve · Lear 60LEAR

Difficulty date: August 8, 1995
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N205FX
Make and model: Lear 60LEAR
Aircraft serial: 005
System (JASC): 2131 · Cabin Pressure Controller
Part: Valve
Part number: 3203353
Condition: Stuck
Location: Cabin Flow
Part time: 1,240 hours
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

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

What was found

PILOT REPORTED THE AIRPLANE WOULD NOT PRESSURIZE AFTER TAKEOFF, IN NORMAL OR MANUAL MODE. GROUND OPERATION CONFIRMED NO INFLOW OF AIR TO THE CABIN EXCEPT IN EMERGENCY PRESSURIZATION. REPLACED THE CABIN AIR FLOW CONTROL VALVE, SYSTEM TESTED NORMAL. (REF: LEARJET MM CHAPTER 21-30-00, PAGE 202, CHAPTER 21-40-01, PAGE 201.