Service difficulty report · Regulator Valve · Boeing 737306

Difficulty date
July 2, 2020
Submitted
July 13, 2020
Operation
Air carrier
Aircraft
N811TJ
Make and model
Boeing 737306
Aircraft serial
23538
Aircraft time
51,179 hours, 38,866 cycles
Part
Regulator Valve
Part number
32145526
Part serial
10338
Condition
Inoperative
Location
Left Bleed
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
B

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

What was found

ON INITIAL DESCENT WE HAD LEFT BLEED TRIP FOLLOWED SHORTLY AFTER BY LOSS OF CABIN PRESSURE. REMOVED AND REPLACED PRSOV.