Service difficulty report · Tension Tie · Boeing 74748EF

Difficulty date
October 9, 2026
Submitted
October 10, 2026
Operation
Air carrier
Aircraft
N419MC
Make and model
Boeing 74748EF
Aircraft serial
28367
Aircraft time
121,274 hours, 20,941 cycles
Part
Tension Tie
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
E
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

DURING HFEC OPEN HOLE INSPECTION ON LHS STA 920 TENSION TIE AND FRAME, FOUND 01EA FASTENER HOLE ON AFT CHANNEL WITH CRACK. CRACKED TENSION TIE AFT CHANNEL ON LHS STA 920 TRIMMED OUT AND SPLICE REPAIR CARRIED OUT IAW SRM 53-20-30-2R-1, REPAIR 1, FIGURE 201, BS 720 - 920, REV. 107. REPAIR CLASSIFIED AS MAJOR REPAIR IAW GMM CHAPTER 5, FIGURE 5.3.2, VERSION 31. REPAIR CATEGORIZED AS "CATEGORY B" PERMANENT REPAIR.

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