Service difficulty report · Shroud · Boeing 737890

Difficulty date
November 10, 2015
Submitted
November 12, 2015
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
31,722 hours, 9,528 cycles
Engine
Cfmint CFM567B27B3
Part
Shroud
Part number
3400599210
Condition
Cracked
Location
Nr 1 Fan
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

NR 1 ENGINE HAS 6" SECTION OF ABRAIDABLE SHROUD COMING LOOSE AT 5 O'CLOCK POSITION, LOOKING AFT; ABOVE NOTED SECTION HAS 1 CRACK STARTING AT AFT EDGE FORWARD 2" AND TURNING TOWARDS 6 O'CLOCK POSITION WITH L/E LIFTING UP. THE OTHER CRACK AT 6 O'CLOCK POSITION STARTS AT AFT EDGE GOING FWD 3". ACFT GROUNDED. SECTION OF ABRAIDABLE SHROUD AT 7:00 POSITION IS APPROXIMATELY 5 SQUARE INCHES, LIFTING FROM PARENT METAL 2.5" IN AXIAL WIDTH, EXCEEDS LIMITS REF MM 72-24-02, E, 2, A, E. ACCOMPLISHED ABRAIDABLE SHROUD REPAIR REF MM 72-24-02-200-802-F00.