SDR FDEA201604281424

Service difficulty report · Skin · Doug MD1010F

Difficulty date: April 28, 2016
Submitted: April 29, 2016
Operation: Air carrier
Aircraft: N394FE
Make and model: Doug MD1010F
Aircraft serial: 46628
Aircraft time: 93,073 hours, 35,341 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Part number: NPB60721
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

CENTER WING UPPER SKIN AT 1298, LBL 95, HAS CORROSION. REMOVED 6 EACH FASTENERS IAW SRM 51-30-01, VOL 2. REMOVED CORROSION IAW SRM 51-21-01 VOL 2. CHECKED LIMITS, ORIGINAL MATERIAL = .220, REMAINING MATERIAL = .182. FOUND OUT OF LIMITS IAW SRM 57-20-00 FIG 8A VOL 1. COMPLIED WITH EA 8-5730-T0324785, CTR WING BOX UPPER SURFACE CORROSION, REPAIRED 5 PLACES. MINOR REPAIR.

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