Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
March 7, 2021
Submitted
March 31, 2021
Operation
Air carrier
Aircraft
N748SW
Make and model
Boeing 7377H4
Aircraft serial
29800
Aircraft time
73,763 hours, 43,887 cycles
Part
Stringer
Condition
Cracked
Location
Fwd Cargo
Stage of operation
IN
How discovered
V
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 26R LOCATED BS540 FWD CARGO COMPARTMENT. REPAIRED STRINGER 26R LOCATED BS500D+10' TO BS 540 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 PARAGRAPH 4. DWG 143A1215 SHEET 58 REV - DWG 143A3230 SHEET 10 REV B. MADE REPAIR PARTS STRINGER SECTION (1EA) ANGLE (2EA) CHANNEL (1EA) IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 MATERIAL USED 7075T0/0.045' 0.050'. HEAT TREATMENT REPAIR PARTS CONVERTED FROM 7075T0 TO CONDITION T6 IAW BAC5602 TOOL USED TEMPERATURE CONTROLLER PN P3015G06500000 SN 112031023 DUE DATE 22JAN22 LENGTH CRACK 1.800'.

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