Service difficulty report · Attach Angle · Boeing 737890

Difficulty date
August 23, 2018
Submitted
September 17, 2018
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
45,573 hours, 13,761 cycles
Part
Attach Angle
Part number
111A13213
Condition
Cracked
Location
Lt Mlg Ww
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

LOWER ATTACH ANGLE, ATTACHED TO THE VERTICAL PRESSURE DECK WEB AT BS 663, LBL 25-LBL 45, CRACKED FROM WEB SLOT TO THE FIRST/LOWER INBOARD DOME NUT ATTACH FASTENER HOLE. GROUNDED - YES. REMOVED DAMAGE ON THE LOWER ATTACH ANGLE IAW SRM 51-10-02. ACCOMPLISHED HFEC INSPECTION OF THE TRIM EDGES IAW NDT MANUAL 51-00-00 PART 6 PROCEDURE 23, NO CRACK INDICATIONS. REPAIRED LOWER ATTACH ANGLE IAW EA 800-57EA 20694 REV 00. ACCOMPLISHED THE VERTICAL PRESSURE WEB MODIFICATION PER SB737-57-1330 AT BS663, LBL 25-LBL 45 IAW EA 800-57EA-20694 REV OO. REPAIR AS ACCOMPLISHED IS CONSIDERED A CATEGORY "A" REPAIR.