SDR TWAA9810004

Service difficulty report · Floorbeam · Doug DC931

Difficulty date: May 15, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N992Z
Make and model: Doug DC931
Aircraft serial: 47095
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 703-720
Stage of operation: IN
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

MCI - DURING OP 16 MAINTENANCE CHECK FOUND CORROSION OF FLOORBEAM NUT PLATE HOLE AREA FROM STA 703 TO STA 720, ABOVE S28L. REPAIRED PER SRM 51-40-4, AND STANDARD PRACTICES. INSTALLED DOUBLER. TOTAL TIME: 72,114 HOURS. TOTAL CYCLES: 78,035. (X)

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