SDR TWAA0003902

Service difficulty report · Floorbeam · Doug DC982

Difficulty date: February 28, 2000
Submitted: April 13, 2000
Operation: Air carrier
Aircraft: N953U
Make and model: Doug DC982
Aircraft serial: 49267
Aircraft time: 45,203 hours, 23,262 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1140 - 1180
Stage of operation: IN
How discovered: O
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 CHECK-C MAINT, MEMBRANE BELOW FLOOR STA 1140 TO 1180, LBL 48 TO 56, HAD CORROSION ON UPPER AND LOWER SURFACES. REMOVED CORROSION PER SRM 53-01, PAGE 18 FIG 4 SHEET 3, AND TWA STD PROCEDURES MANUAL 6-80-01 PAGE 1 TO 3. TREATED AND PRIMED PER SRM 51-10-3 PAGE 46. REPLACED DOUBLERS PER SRM 53-01, PAGE 18.

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