Service difficulty report · Pressure Switch · Emb ERJ170200LR

Difficulty date
September 25, 2026
Submitted
September 28, 2026
Operation
Air carrier
Aircraft
N236NN
Make and model
Emb ERJ170200LR
Aircraft serial
17000572
Aircraft time
26,422 hours, 17,852 cycles
Part
Pressure Switch
Part number
8209734
Condition
Failed
Location
Bleed Pressure
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

BLEED 2 OVERPRESSURE AT 2,000 FT. RAN QRH, MESSAGE EXTINGUISHED YET LOOKING ON ECS PAGE BLEED, 2 VALVES SHOWED FAILED CLOSED ALONG WITH HIGH PRESSURE STILL PRESENT. DECIDED TO PUSH OUT BLEED 2 AND KEEP OFF REMAINDER OF FLIGHT. BLEED VALUE EVENTUALLY RETURNED TO A NORMAL VALUE AFTER RESELECTING THE BLEED 2 OFF. R & R RT OVERPRESSURE SWITCH, IAW AMM 36-14-01. OPC GOOD IAW AMM 36-11-00. REF NRWC 036-DFW-05938 AND TURNOVER FOR TECH SUPPORT WORK SCOPE FOR WORK PERFORMED REF AML PG 115003048 ITEM 1.

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