Service difficulty report · Controller · Boeing 737724

Difficulty date
January 30, 2026
Submitted
February 2, 2026
Operation
Air carrier
Aircraft
N27724
Make and model
Boeing 737724
Aircraft serial
28791
Aircraft time
82,288 hours, 30,372 cycles
Part
Controller
Part number
2193301AD
Part serial
23210626
Condition
Faulted
Location
Zone 100
Part time
1,002 hours, 407 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

CREW ADVISES AUTO PRESS FAIL LIGHT CAME ON AFTER TAKE OFF & MANUAL WOULD NOT OPERATE CORRECTLY. ACP WIRE CHECKS BTWN CPC,CPM & OUTFLOW VALVE, NO DEFECTS FOUND IAW WDM 21-31-23 & WDM 2/1-31-22. R & R AFT OUTFLOW VALVE ASSY IAW AMM 21-31-03, STILL HAS AUTO FAIL LIGHT ON P5 PANEL. FOUND CPC 1 FAULT CODE 002. R & R CPC 1 IAW AMM 21-31-01, OPS CHKD GOOD.