Service difficulty report · Check Valve · Boeing 737932ER

Difficulty date
August 22, 2026
Submitted
August 25, 2026
Operation
Air carrier
Aircraft
N907DN
Make and model
Boeing 737932ER
Aircraft serial
32010
Aircraft time
24,305 hours, 9,699 cycles
Part
Check Valve
Condition
Damaged
Location
Zone 100
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A, G, I

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

What was found

ATB/PRES/DE- RETURNED TO ATL DUE INABILITY TO MAINTAIN PRESSURIZATION. FOUND GROUND CONDITIONED AIR CHECK VALVE DAMAGED. REPLACED SAME. PACK OPS AND LEAK CHECK GOOD. (9124312) AIRCRAFT WAS GROUNDED