Service difficulty report · Stringer · Boeing 737*

Difficulty date
October 12, 2021
Submitted
November 11, 2021
Operation
Air carrier
Aircraft
N757LV
Make and model
Boeing 737*
Aircraft serial
29850
Aircraft time
74,896 hours, 43,938 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 25L AT BS 540 FWD CARGO COMPARTMENT ; 2021-461918 / [01] TOOL USED: ULTRASONIC THICKNESS GAGE; P/N 45MG; S/N: 130061901; DUE DATE: 11 MAY 22.; [02] TOOL USED: P/N: NORTEC 600D; S/N: 210138003; DUE DATE: 05-MAR-22; [03] TOOL USED PRECISION RADIUS GAUGE P/N: S167C ; S/N: AE-27601 DUE DATE : 16-JUL-22; [04] TOOL USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 22-JAN-22; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 22-JAN-22.; [05] REPAIRED STRINGER 25L LOCATED BS 500D + 10 TO BS 540 AT FWD CARGO COMPARTMENT. IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1.; [06] CORRECTED STEP 5.<BR><BR>REPAIRED STRINGER 25L LOCATED BS 500D + 10 TO BS 540 AT FWD CARGO COMPARTMENT. IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1. SEE INDIVIDUAL SIGNOFF BELOW.; [07] CORRECTED STEP 6.<BR><BR>REPAIRED STRINGER 25L LOCATED BS 500D + 10 TO BS 540 AT FWD CARGO COMPARTMENT. IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1. SEE INDIVIDUAL SIGNOFFS BELOW.; [08] TASK CARD COMPLETED <BR>SEE INDIVIDUAL SIGNOFFS BELOW.