Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
August 4, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N446WN
Make and model
Boeing 7377H4
Aircraft serial
29842
Aircraft time
58,476 hours, 34,391 cycles
Part
Support Angle
Condition
Cracked
Location
Bs 663 Bl0-Lbl64
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 ON SUPPORT ANGLE LOCATED BS 663.5 AT BL0 TO LBL 64 AND WL 173.1 AIR CONDITION COMPARTMENT ; 2021-342346 / [01] TOOL USED CALIPER P/N 700-113-10 S/N 0019306 DUE DATE 14-OCT-21; [02] REPLACED ANGLE LOCATED BS 663.5 AT BL0 TO LBL 64 AND WL 173.1 AIR CONDITION COMPARTMENT I.A.W. B737-700 SRM 51-40-02 ; SRM 51-10-02 AND DWG #111A1000 SHEET: 139; REV: -; [03] REPLACED ANGLE LOCATED BS 663.5 AT BL0 TO LBL 64 AND WL 173.1 AIR CONDITION COMPARTMENT I.A.W. B737-700 SRM 51-40-02 ; SRM 51-10-02 AND DWG #111A1000 SHEET: 139; REV: - RII

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