Service difficulty report · Engine · Boeing 737890

Difficulty date
July 24, 2017
Submitted
July 26, 2017
Operation
Air carrier
Aircraft
N593AS
Make and model
Boeing 737890
Aircraft serial
35107
Aircraft time
35,540 hours, 10,868 cycles
Engine
Cfmint CFM567B262
Part
Engine
Condition
Damaged
Location
Nr 1
Part time
35,540 hours, 10,868 cycles
Stage of operation
IN
How discovered
9
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 ACCOMP T/C SBCFM56-7B-72-0986-1 FOUND STAGE 3 VSV SLAB HEAD PIN AT THE 9 OCLOCK POSITION, ROTATED 90 DEGREE AND MIGRATING OUT OF SEGMENT. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE IAW TC 78471000 AND 78471001.