SDR R61A201812311267

Service difficulty report · Relief Valve · Emb ERJ170100SE

Difficulty date: December 31, 2018
Submitted: January 4, 2019
Operation: Air carrier
Aircraft: N857RW
Make and model: Emb ERJ170100SE
Aircraft serial: 17000079
Aircraft time: 38,391 hours, 22,795 cycles
System (JASC): 2133 · Pressure Regulator/Outflow Valve
Part: Relief Valve
Part number: 2161501
Part serial: 0582873
Condition: Inoperative
Location: Cabin Pressure
Part time: 38,391 hours, 22,795 cycles
Stage of operation: CR
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

AT CRUISE ALTITUDE, EXPERIENCED GRADUAL PRESSURE INCREASE IN AUTO 1000FT/MIN. ON DESCENT, SWITCHED TO MANUAL MODE, DECLARED EMERGENCY, DIVERTED TO PIT, LANDED WITHOUT INCIDENT. HEARD RUSH OF AIR BEFORE PRESSURE ALTITUDE SHOWED CLIMBING. R&R POSITIVE PRESSURE RELIEF VALVE.

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