SDR UPS04843574

Service difficulty report · Web · Doug DC871F

Difficulty date: November 26, 2004
Submitted: December 6, 2004
Operation: Air carrier
Aircraft: N744UP
Make and model: Doug DC871F
Aircraft serial: 45944
Aircraft time: 75,722 hours, 49,419 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Condition: Corroded
Location: Cargo Bay
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

TORQUE BOX WEB CORRODED BEYOND LIMITS AT STA 1200, LONG 36. REMOVED FASTENERS TO FOM REF SRM51-1-20D. REMOVED CORROSION REF SRM 53-2-0 FIG 1F. NDT VERIFIED MATERIAL RANGE 0.125" - 0.088" REF NDT SPM 04-00-06. FABRICATED REPAIR DOUBLER FROM SHT7075T6-.160" REF SRM 53-2-0 FIG23, 53-2-0 FIG25 DWG9754945, 3753772. INSTALLED REPAIR REF SRM51-1-8, 51-1-21, 51-1-20D

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