Service difficulty report · Web · Boeing 7377BD

Difficulty date
January 22, 2025
Submitted
February 13, 2025
Operation
Air carrier
Aircraft
N7742B
Make and model
Boeing 7377BD
Aircraft serial
33928
Aircraft time
57,792 hours, 31,530 cycles
Part
Web
Condition
Cracked
Location
Zone 100
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

FED CUTOUT SURROUND STRUCTURE; UPPER CHORD WEB BS 312 BETWEEN S6L AND S7L HAS A CRACK (MARKED).<[01] AFTER NDI EVALUATION AT DISCREPANCY AREA; NO CRACK NOTED IAW 737 NDTM PART 6; 51-00-00 PROCEDURE 23.<BR>TOOL USED:<BR>ID ATS1465<BR>CAL. DUE 07/2025.;[02] UPPER CHORD WEB AT FED REINSPECTED AND CRACK CONFIRMED AT LOCATION STA-312 STR-5L TO 6L; REPAIR OR REPLACEMENT REQUIRED.;[03] REPAIRED DISCREPANCY AREA PER REF EA M-22-153-01244 ON CARD NBR TTG8Q00YCV3Z;[04] CORRECTIVE ACTION COMPLETED.

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