SDR TWAA0006109

Service difficulty report · Floorbeam · Doug DC931

Difficulty date: March 6, 2000
Submitted: April 19, 2000
Operation: Air carrier
Aircraft: N989Z
Make and model: Doug DC931
Aircraft serial: 47135
Aircraft time: 77,008 hours, 82,903 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Cracked
Location: Fuselage
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

DURING OP 16 MAINT CHECK, AT CABIN STA 200 RT, STRINGER 18, FLOOR MEMBRANE WAS CRACKED AND HEAVLY CORRODED. REMOVED MEMBRANE AND FABRICATED NEW MEMBRANE PER SRM 53-11-2, FIG 5 SHEET 2, AND DOUGLAS DRAWING 5910840 AND 9910734. INSTALLED WITH AD 5 RIVETS. ---CLOSED---

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