Service difficulty report · Stringer · Boeing 7377Q8

Difficulty date
August 26, 2021
Submitted
October 5, 2021
Operation
Air carrier
Aircraft
N7859B
Make and model
Boeing 7377Q8
Aircraft serial
30641
Aircraft time
55,430 hours, 36,644 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 23L LOCATED ON BS540 AT FWD CARGO COMPARTMENT ; 2021-392976 / [22] INSTALLED REPAIR REPAIR ( STRINGER SECTION; CHANNEL AND ANGLES 2 E/A ) OF STRINGER 23L LOC. BTW BS 500D TO BS 540; TIE CLIP LOC AT BS 520 STR 23L; SHEAR TIE LOC AT BS 520 BTW STR 22L TO STR 23L AND FASTENERS IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206 AND B737-700 SRM 51-40-02.; [23] CORRECTED STEP 19 GRANTED OK TO INSTALL REPAIR PARTS ( STRINGER SECTION; CHANNEL AND ANGLES 2 E/A ) OF STRINGER 23L LOC. BTW BS 500D TO BS 540; TIE CLIP LOC AT BS 520 STR 23L; SHEAR TIE LOC AT BS 520 BTW STR 22L TO STR 23L AND FASTENERS; [24] CORRECTED STEP 22 INSTALLED REPAIR PARTS ( STRINGER SECTION; CHANNEL AND ANGLES 2 E/A ) OF STRINGER 23L LOC. BTW BS 500D TO BS 540; TIE CLIP LOC AT BS 5,NG,NRC,2021-09-08 20:29:05,20Y,Y,MX,0,0,,CRACK STRINGER 23L LOCATED ON BS540 AT FWD CARGO COMPARTMENT ; 2021-392976"

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