SDR FDEA201007162562

Service difficulty report · Floorbeam · Doug MD1010F

Difficulty date: July 16, 2010
Submitted: July 26, 2010
Operation: Air carrier
Aircraft: N564FE
Make and model: Doug MD1010F
Aircraft serial: 46984
Aircraft time: 84,639 hours, 27,602 cycles
Engine: Ge CF66D
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 7075T6071
Condition: Cracked
Location: Zone 200
Part time: 84,639 hours, 27,602 cycles
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

MAIN DECK STA 475, LBL 77 TO 107, FLOORBEAM IS CRACKED/DAMAGED. FABRICATED FLOORBEAM SEC REPAIR FROM 7075-T6 .071 BATCH NR 183113 IAW SRM 53-00-01, FIG 9, SHEET 7. TREATED AND PRIMED REPAIR IAW SRM 51-21-01. INSTALLED REPAIR IAW SRM 51-31-01. PAINTED AREA IAW SRM 51-21-02. CLASSIFIED AS A MAJOR REPAIR.

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