Service difficulty report · Diffuser · Boeing 737890

Difficulty date
December 9, 2022
Submitted
December 12, 2022
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
53,591 hours, 15,889 cycles
Part
Diffuser
Part number
22156283
Condition
Missing
Location
Right Ecs Bay
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

R/H AFT PLENUM /DIFFUSER BYPASS CHECK VALVE MISSING. GROUNDED - YES. REPLACED R/H AFT DIFFUSER IN, REF TO B737-800 AMM 21-51-03 45528. REQUIRES LEAK / OPS CHECK. LEAK AND OPS CHECK GOOD.