Service difficulty report · Controller · Boeing 737890

Difficulty date
May 10, 2012
Submitted
May 14, 2012
Operation
Air carrier
Aircraft
N535AS
Make and model
Boeing 737890
Aircraft serial
35200
Aircraft time
4,984 hours, 1,508 cycles
Engine
Cfmint CFM567B273
Part
Controller
Condition
Faulted
Location
Nr 2
Stage of operation
TX
How discovered
9
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

AUTO PRESSURIZATION SELECTOR KNOB IN AUTO POSITION AND "AUTO FAIL" AND "ALTN" LIGHTS ILLUMINATED. ACFT GROUNDED. FOUND NR 2 PRESSURE CONTROLLER HAD DATA INTERUPT FAULT 041. FAULT RESET, OK REF FIM 21-31 TASK 824. NR 1 AND NR 2 PRESSURE CONTROLLERS BITE NORMAL. NO EXISTING FAULTS. GROUND VERIFICATION SUCCESSFUL. OK FOR SERVICE.