SDR 7AHR201406302507

Service difficulty report · Pressure Panel · Doug DC983

Difficulty date: June 30, 2014
Submitted: June 30, 2014
Operation: Air carrier
Aircraft: N120MN
Make and model: Doug DC983
Aircraft serial: 53120
Aircraft time: 41,837 hours, 41,922 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Pressure Panel
Condition: Corroded
Location: Bs 160-200
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

BS 160-200 RT OTBD PRESSURE WEB SHOWS EVIDENCE OF CORROSION. REMOVED CORROSION AND FOUND TO OUT OF LIMITS IAW SRM 51-10-03 & 53-01. UPON REMOVAL OF GIRT BAR FITTINGS, BOTH MOUNT BRACKETS WERE VISIBLY CORRODED OUT OF LIMITS. ORDERED AND INSTALLED, PN 3936190-1 & 2 FITTINGS AT R-1 DOOR IAW SRM 51-30-1. CUT OUT DAMAGED AREA OF PRESSURE WEB AND INSTALLED REPAIR IAW SRM 51-01, FIG 4, 51=20=0 & 51-30-2.

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