SDR GTIA2017071502084

Service difficulty report · Duct · Airbus A321231

Difficulty date: July 15, 2017
Submitted: July 20, 2017
Operation: Air carrier
Aircraft: N670NK
Make and model: Airbus A321231
Aircraft serial: 7106
Aircraft time: 2,999 hours, 1,303 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Duct
Condition: Damaged
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

AIR RETURN FOR CABIN PRESSURE, OUTFLOW VALVE FAULT MESSAGE IN FLIGHT. DURING TAKEOFF, THE ACFT DID NOT PRESSURIZE . INSPECTED EXTRACTION DUCTING IN AVIONICS COMPARTMENT AND FOUND DUCTING DAMAGED. R & R BOTH DAMAGED DUCTS IAW AMM 21-26-42 RAN AEVC TEST IAW AMM 21-26-00 TESTED GOOD

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