Service difficulty report · Controller · Boeing 737524

Difficulty date
January 31, 2011
Submitted
January 31, 2011
Operation
Air carrier
Aircraft
N14645
Make and model
Boeing 737524
Aircraft serial
28906
Aircraft time
34,924 hours, 18,520 cycles
Part
Controller
Part number
71211997101AC
Part serial
9919622
Condition
Failed
Location
Cabin Pressure
Part time
36,541 hours, 12,862 cycles
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

AC WOULD NOT PRESSURIZE IN AUTO OR STANDBY. T/S PER MM 21-31-00. NR 2 AUTO PRESSURE CONTROLLER FAILED. REMOVED AND REPLACED DAPC AND OPS CHECKED AS PER MM 21-31-21. COMPLIED WITH EC 2100-01187. PER MM 21-30-00-800-801C3. LMPH CHECK. ALL REQUIREMENTS OF ECRA SATISFIED ABOVE MINIMUM REQUIREMENT.