SDR ASAA2017120822839

Service difficulty report · Pin · Boeing 737890

Difficulty date: December 8, 2017
Submitted: December 11, 2017
Operation: Air carrier
Aircraft: N592AS
Make and model: Boeing 737890
Aircraft serial: 35190
Aircraft time: 37,892 hours, 11,535 cycles
Engine: Cfmint CFM567B273
Engine time: 33,566 hours, 10,444 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Pin
Condition: Migrated
Location: Nr 1 Engine
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 ASA T/C SBCFM56-7B-72-0986-1 #1 ENG ESN #896760, FOUND ANTI-ROTATION PIN MIGRATING AND LIBERATING STAGE 3 VSV SEGMENT SEAL @ 9 OCLOCK. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE, REF TC 78471000, 78471001 AND EA # PWRPL-71EA-11276 FOR ALL WORK ACCOMPLISHED.