Service difficulty report · Guide Vane · Boeing 737890

Difficulty date
August 1, 2021
Submitted
August 5, 2021
Operation
Air carrier
Aircraft
N531AS
Make and model
Boeing 737890
Aircraft serial
35199
Aircraft time
39,580 hours, 11,495 cycles
Engine
Cfmint CFM567B27
Engine time
38,802 hours, 11,460 cycles
Part
Guide Vane
Condition
Broken
Location
Nr 2 Vsv
Part time
38,802 hours, 11,460 cycles
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

WHILE ACCOMPLISHING REINSPECT OF #2 ENG S/N 804247 PER T.C. SBCFM 56-7B-72-0986-1 FOUND STG 3 VSV 9 O'CLOCK POSITION MISSING CAUSING DAMAGE TO COMPRESSOR SPOOL AND DOWNSTREAM HPC DAMAGE. BEYOND MM LIMITS. GROUNDED - YES. REF T/C 78471000 AND 78471001, REMOVED AND REPLACED THE #2 ENGINE. LOG DEFECT TRANSFERRED TO SHOP W/O 1880980.