SDR UPS05845656

Service difficulty report · Stiffener · Doug DC873F

Difficulty date: October 13, 2005
Submitted: October 28, 2005
Operation: Air carrier
Aircraft: N866UP
Make and model: Doug DC873F
Aircraft serial: 45966
Aircraft time: 85,856 hours, 28,516 cycles
Engine: Ge CFM56*
System (JASC): 5310 · Fuselage Main, Structure
Part: Stiffener
Condition: Corroded
Location: Fs283 Apit Door
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

C2 A-PIT STA 283 AT LWR FWD DOOR CUTOUT, EXTRUDED STIFFNER IS CORRODED OUT OF LIMITS. REMOVED A-PIT LWR FWD DOOR CUTOUT STIFFNER IAW SRM 51-1-24 FABRICATED AND HEAT TREATED STIFFNER IAW DWG 5733892 AND INSTALLED STIFFNER AT STA 283 LWR FWD DOOR CUTOUT IAW DWG 5733892 AND SRM 51-1-20D.

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