Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
August 21, 2021
Submitted
September 21, 2021
Operation
Air carrier
Aircraft
N758SW
Make and model
Boeing 7377H4
Aircraft serial
27873
Aircraft time
74,045 hours, 43,671 cycles
Part
Stringer
Condition
Cracked
Location
Fuselage
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 STRINGER 24R AT LEVEL BS 540 AT FWD CARGO COMPARTMENT ; 2021-384334 / [26] INSTALLED INSTALL REPAIR PARTS -7 STRINGER SECTION -2 CHANNEL -3 ANGLE (2EA) AND SHEAR TIE LOCATED BETWEEN STR 24R AND STR 25R STA 520 ; TIE CLIP LOCATED STA 520 STR 24R FWD CARGO COMPARTMENT DWG #143A3230 REV. A MEASURES OF CRACK IS: 0.802 TOOL USED CALIPER P/N 500-464 S/N B17030924 DUE DATE 03-NOV-21; [27] CORRECTED STEP 26 INSTALLED REPAIR PARTS -7 STRINGER SECTION -2 CHANNEL -3 ANGLE (2EA) AND SHEAR TIE LOCATED BETWEEN STR 24R AND STR 25R STA 520 ; TIE CLIP LOCATED STA 520 STR 24R FWD CARGO COMPARTMENT DWG #143A3230 REV. A MEASURES OF CRACK IS: 0.802 TOOL USED CALIPER P/N 500-464 S/N B17030924 DUE DATE 03-NOV-21; [28] RII; STEP 27 COMPLETED.; [29] PERFORMED PERMANENT REPAIR ON STRINGER 24R BTW BS 500D TO BS540 AT FWD CARGO COMPARTMENT SRM 53-00-03-2R-1 REPAIR 1 SRM 51-10-02 ITEM 9 DWG # 143A3230 REV. A; [30] CORRECTED STEP 29 PERFORMED PERMANENT REPAIR ON STRINGER 24R BTW BS 500D TO BS540 AT FWD CARGO COMPARTMENT SRM 53-00-03-2R-1 REPAIR 1 SRM 51-10-02 ITEM 9 DWG # 143A,NG,NRC,2021-09-10 21:18:35,22Y,Y,MX,0,0,,CRACK STRINGER 24R AT LEVEL BS 540 AT FWD CARGO COMPARTMENT ; 2021-384334"

More about the Boeing 737-7H4