SDR FDEA201811300109

Service difficulty report · Skin · Boeing 757236

Difficulty date: November 30, 2018
Submitted: January 16, 2019
Operation: Air carrier
Aircraft: N915FD
Make and model: Boeing 757236
Aircraft serial: 24120
Aircraft time: 56,891 hours, 26,770 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Corroded
Location: Lt Wing
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

PLEASE EVALUATE EXISTING BLENDS ON LT WING UPPER SURFACE AT WS.748 TO WS761, 2 INCHES FWD OF REAR SPAR AND TRILING EDGE PANEL JOINT REMOVED CORROSION IAW SRM 51-10-02 REV 125. MEASURED AND EVALUATED BLEND OUTS IAW SRM 57-20-01-1A ALLOWABLE DAMAGE 4 REV 125 AND SRM 57-20-01-1A ALLOWABLE DAMAGE 1 FIGURE 101 TABLE 1 REV 125, AND FOUND TO BE OUTSIDE OF LIMITS DUE TO LOCATION OF DAMAGE. REPAIR CARRIED OUT IAW EA # F-5730-T0344299 P1.