Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
August 7, 2021
Submitted
September 10, 2021
Operation
Air carrier
Aircraft
N754SW
Make and model
Boeing 7377H4
Aircraft serial
29849
Aircraft time
74,935 hours, 44,224 cycles
Part
Support Angle
Condition
Cracked
Location
Bs 907-927
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 ANGLE - SUPPORT LOCATED BETWEEN BS 907 TO BS 927 AND STR 25R TO STR 27R AFT POSITION AFT CARGO COMPARTMENT ; 2021-368689 / [01] TOOK MEASURE OF CRACK ON SUPPORT ANGLE: L=3.465 TOOL USED: CAPLIPER P/N: DIGITAL 150; S/N: AE-412597; DUE DATE: 25-MAY-22 NOT FOUND ALLOWABLE DAMAGE IN SRM SUPPORT ANGLE MUST BE REPLACED; [02] REMOVED ANGLE - SUPPORT LOCATED BETWEEN BS 907 TO BS 927 AND STR 27R TO STR 25R AFT POSITION AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND PERFORMED VISUAL INSPECTION AND NOT FOUND MORE DAMAGE; [05] FORMED AND DRILLED SUPPORT ANGLE LOC BTW BS 907 TO BS 927 AND STR 25R TO STR 27R AFT POSITION AFT CARGO COMPARTMENT MATERIAL USED EXTRUSION BAC 1493-318 PO #2021 186690 IAW B737-700 SRM 51-40-05 AND DRAWING 147A7221 SHEET 17 REV D.; [06] APPLIED PROTECTIVE TREATMENT ON SUPPORT ANGLE IAW B737-700 SRM 51-20-01; [11] INSTALLED SUPPORT ANGLE AND FASTENERS LOCATED BETWEEN BS 907 TO BS 927 AND STR 25R TO STR 27R AFT POSITION AFT CARGO COMPARTMENT IAW B737- 700 SRM 51-40-02 AND DWG 147A7221 SHEET 71 REV D.; [12] CERTIFIED STEP 11<BR>RII; [13] REPLACED SUPPORT ANGLE AND FASTENERS LOCATED BETWEEN BS 907 TO BS 927 ANDSTR 25R TO STR 27R AFT POSITION AFT CARGO COMPARTMENT IAW B737- 700 SRM 51-40-02 AND 51-10-02 AND DWG 147A7221 SHEET 71 REV D.; [14] REPLACED SUPPORT ANGLE AND FASTENERS LOCATED BETWEEN BS 907 TO BS 927 ANDSTR 25R TO STR 27R AFT POSITION AFT CARGO COMPARTMENT IAW B737- 700 SRM 51-40-02 AND 51-10-02 AND DWG 147A7221 SHEET 71 REV D.<BR>TASK COMPLETED RII

More about the Boeing 737-7H4