SDR SWIA201438820

Service difficulty report · Controller · Emb EMB120ER

Difficulty date: July 19, 2014
Submitted: July 21, 2014
Operation: Air carrier
Aircraft: N234SW
Make and model: Emb EMB120ER
Aircraft serial: 120308
Aircraft time: 41,208 hours, 59,087 cycles
System (JASC): 2131 · Cabin Pressure Controller
Part: Controller
Condition: Failed
Location: Cabin Pressure
Stage of operation: CL
How discovered: O
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

AFTER TAKE OFF, ACFT WOULD NOT PRESSURIZE. RAN QRH, RETURNED TO FIELD. PERFORMED OPS TEST OF PRESSURIZATION SYS IN MANUAL MODE, NO FAULTS FOUND. REMOVED ALTITUDE ELECTRONIC CONTROLLER AND REPLACED WITH SERVICEABLE UNIT. IAW AMM. PERFORMED GROUND TEST OF PRESSURIZATION SYSTEM IN AUTO MODE IAW AMM, PN 22201T011400, SN ON 348, SN OFF 535.

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