SDR DHLA201100530

Service difficulty report · Fitting · Doug DC873F

Difficulty date: June 23, 2011
Submitted: July 22, 2011
Operation: Air carrier
Aircraft: N807DH
Make and model: Doug DC873F
Aircraft serial: 45990
Aircraft time: 94,040 hours, 29,957 cycles
System (JASC): 5740 · Wing, Attach Fittings
Part: Fitting
Condition: Corroded
Location: Rt 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

RT OUTER WING FWD BOTTOM PANEL.- FITTING HAS EXFOLIATION CORROSIOIN S-63, STA XW 408.000 (NR4 ALT TANK) PERFORMED MAJOR REPAIR IAW SRM 57-1-0 PG 1, DWG 3640143. REMOVED LEVEL II CORROSION IAW SRM 51-1-8, PG 17-18. FOUND OUT OF LIMITS IAW SRM 57-2-0 PG 16, FIG 7. REMOVED CORRODED FITTING IAW SRM 51-1-20D. CLEANED & APPLIED POLYURETHANE TOP YELLOW COATING. INSTALLED NEW FITTING IAW SRM 51-1-12.

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