Service difficulty report · Controller · Boeing 737524

Difficulty date
March 4, 2011
Submitted
March 4, 2011
Operation
Air carrier
Aircraft
N16617
Make and model
Boeing 737524
Aircraft serial
27330
Aircraft time
44,885 hours, 23,743 cycles
Part
Controller
Part number
7638101
Part serial
8612361
Condition
Inoperative
Location
Cabin Pressure
Part time
31,335 hours, 17,717 cycles
Stage of operation
CL
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

NOTICED AUTO PRESS FAIL CAME ON AROUND 7000'' WENT TO STBY UNABLE TO CONTROL CABIN LEVELED AT 9000'' WENT TO MANUAL STILL UNABLE TO CONTROL NO NOTICALBE UNUSUAL INDICATION ALL DOOR LIGHTS OUT BOTH PACKS ON GOOD DUCT PRESS R&R PRESSURE CONTROLLER REF AMM 21-31-21 ALL OPS CHECKS GOOD AT THIS TIME. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1367024 S/N OFF 02361 CONTROLLER, CAB OFF 99-2130-9-0002 2361 ON 99-2130-9-0002 2632.