Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
July 31, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N442WN
Make and model
Boeing 7377H4
Aircraft serial
32459
Aircraft time
60,608 hours, 35,906 cycles
Part
Support Angle
Condition
Cracked
Location
Bs 380-400 Bl0
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

CRACK SUPPORT ANGLE LOCATED BETWEEN BS380 TO BS400 AND BL0 CENTER SECTION ; 2021-341511 / [01] TOOL USED; CALIPER P/N:700-113-10; S/N:0033174; DUE DATE:08JAN22.; [02] REPLACED SUPPORT ANGLE AND FASTENERS LOC BETWEEN BS380 TO BS400 AND BL0 CENTER SECTION IAW B737-700 SRM 51-10-02 PARAGRAPH 9 AND SRM 51-40-02 AND DWG 153A5400 SHEET 65 REV:_; [03] REPLACED SUPPORT ANGLE AND FASTENERS LOC BETWEEN BS380 TO BS400 AND BL0 CENTER SECTION IAW B737-700 SRM 51-40-02 AND DWG 143A5400 SHEET 65 REV:_; [04] CERTIFIED RII WORK PERFORMED.

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