Service difficulty report · Hook · Boeing 737890

Difficulty date
December 1, 2022
Submitted
December 5, 2022
Operation
Air carrier
Aircraft
N587AS
Make and model
Boeing 737890
Aircraft serial
35684
Aircraft time
53,711 hours, 15,637 cycles
Engine
Cfmint CFM567B27
Engine time
56,051 hours, 16,581 cycles
Part
Hook
Condition
Worn
Location
Nr 1 Engine
Part time
56,061 hours, 16,581 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 ASA T/C SBCFM56-7B-72-1074-1 NOTED THAT THE AFT SIDE OF THE 3RD STAGE J-HOOK IS COMPLETELY WORN THROUGH AT BOTH THE 6 O'CLOCK AND THE 12 O'CLOCK POSITIONS. SEE INSP SERVER FOR PICTURES AND REPORT. PER T/C STEP 8 ENGINE MUST BE REMOVED WITHIN 10 CYCLES. ENGINE SERIAL # 894536 POSITION 1. GROUNDED - YES. REMOVED #1 ENGINE S/N 894536 REF ASA SHOP WO 1933328. INSTALLED ENGINE S/N 896992.