SDR DALA2017080306021

Service difficulty report · Skin · Boeing 757232

Difficulty date: August 2, 2017
Submitted: August 7, 2017
Operation: Air carrier
Aircraft: N669DN
Make and model: Boeing 757232
Aircraft serial: 25142
Aircraft time: 83,092 hours, 38,081 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Corroded
Location: Rt Wing
Stage of operation: IN
How discovered: 9
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

RIGHT WING UPPER SURFACE, BETWEEN WS 453.5 & 481.5 OVERWING FUEL PORT CUTOUT, DEEP PITTING CORROSION. REMOVED THE CORROSION AND FOUND .160" REMAINING MATERIAL. FOUND TO BE OUT OF LIMITS IAW SRM 57-20-01, ALLOWABLE DAMAGE 3. REPAIRED IAW ER/A PRI 559862-14, REV 0 & 1, AND ER/A 559862-14, REV ORIGINAL.