SDR FDEA201605081512

Service difficulty report · Skin · Boeing 757222

Difficulty date: May 8, 2016
Submitted: May 16, 2016
Operation: Air carrier
Aircraft: N792FD
Make and model: Boeing 757222
Aircraft serial: 26697
Aircraft time: 70,104 hours, 24,723 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Part number: 112N410249
Condition: Chafed
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

LEFT WING LOWER INTERSPAR SKIN, EXTERIOR SURFACE FOUND CHAFING MARK AT FUEL TANK PANEL 541CB. CUT OUT BOTH FWD & AFT AREA, ALONG NR 1 PYLON UPPER INBD EDGE. LT WING LOWER INTERSPAR SKIN EXTERIOR SURFACE CHAFING MARK REMOVED & COMPLETED IAW EA F-5730-T0324554 P1. CHAFE MARK BLEND OUT ON 112N4102-49 MACHINE SKIN ASSEMBLY, BETWEEN WSTA 285.65 & WSTA 313.50 AT STRINGER L6 & L8. REPAIR CLASSIFIED AS MAJOR.