SDR TSAA9721195

Service difficulty report · Safety Valve · Boeing 7372Q9

Difficulty date: August 14, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N809AL
Make and model: Boeing 7372Q9
Aircraft serial: 21720
System (JASC): 2130 · Cabin Pressure Control System
Part: Safety Valve
Part number: 7207375
Condition: Inoperative
Location: Cabin
Stage of operation: CL
Nature of condition: J
Precautionary procedure: A

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

What was found

FLT 404 - HNL-ITO - UNABLE TO CONTROL CABIN PRESSURIZATION, NO AUTO FAIL, SWITCH TO STANDBY, NO RESPONSE, SELECTED MANUAL, CABIN STILL CONTINUED CLIMB. ACCOMPLISHED CHECKLIST. RETURNED TO HNL. REMOVED AND REPLACED CABIN PRESSURIZATION SAFETY VALVE DUE TO LEAKAGE. LEAK CHECK OK. (M)

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