SDR ASAA2023101545737

Service difficulty report · Controller · Boeing 7379

Difficulty date: October 15, 2023
Submitted: October 20, 2023
Operation: Air carrier
Aircraft: N990AK
Make and model: Boeing 7379
Aircraft serial: 67424
Aircraft time: 289 hours, 97 cycles
System (JASC): 2131 · Cabin Pressure Controller
Part: Controller
Part number: 10194392001
Part serial: 7213480
Condition: Malfunctioned
Location: Flight Compartme
Part time: 289 hours, 97 cycles
Stage of operation: IN
How discovered: O
Nature of condition: O
Precautionary procedure: K

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

What was found

CABIN PRESSURE CONTROLLER AUTO FAIL(PRI 1). GROUNDED - YES. (RESOLVED ON W/O: 1973331 TASKCARD: N/R-00003 ) ACCOMPLISHED MM 21-31-00-740-801, FOUND FAUL FODE #16 ON BOTH CONTROLLERS. REMOVED AND INSTALLED NEW CPC MODULE, OPS NORMAL. OPENED, COLLARD, RESET 3 C/B'S. GROUND VERIFICATION SUCCESSFUL. THIS CLEARS TSR715104. SEAMC.

More about the Boeing 737-9