SDR SWIA972543

Service difficulty report · Regulator · Emb EMB120ER

Difficulty date: May 2, 2001
Submitted: May 3, 2001
Operation: Air carrier
Aircraft: N209SW
Make and model: Emb EMB120ER
Aircraft serial: 120269
Aircraft time: 24,272 hours, 29,959 cycles
Engine: Pwa PW118B
System (JASC): 2133 · Pressure Regulator/Outflow Valve
Part: Regulator
Condition: Failed
Location: Cabin Pressure
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

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

What was found

A/C WOULD NOT PRESSURIZE. TRIED MANUAL CONTROLLER. STILL WOULD NOT PRESSURIZE. LEFT PACK PRESSURE REGULATOR SHUT OFF VALVE LOW PRESSURE. REPLACED PRESSURE REGULATOR AND SHUT OFF VALVE IAW 21-50-01. P/N: 3214414-3, S/N ON: 693, S/N OFF: 949. PERFORMED FUNCTIONAL CHECK OF PRESSURIZATION SYSTEM IN AUTO/MAN IAW 21-30-00-501, PARAGRAPHS A-E. FUNCTION CHECK OK.

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