SDR UPS06846690

Service difficulty report · Stiffener · Doug DC873F

Difficulty date: March 26, 2006
Submitted: April 17, 2006
Operation: Air carrier
Aircraft: N812UP
Make and model: Doug DC873F
Aircraft serial: 46112
Aircraft time: 76,521 hours, 25,374 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Condition: Corroded
Location: Fs 857 Lbl 45
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

HEAVY CORROSION UNDER VERTICAL STIFFENER ON LT W/W 857 BULKHEAD LBL 45, 13" BELOW CEILING. REMOVED VERT STIFFENER AT FS 857 LBL45 IAW SRM 51-01-21. FABRICATED AND INSTALLED REPAIR ANGLE, REPLACEMENT STIFFENER AND SUPPORT ANGLES AT FS 857 LBL45 IAW DWG 5643433, SRM 51-01-24, 51-1-20D.

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