SDR FDEA202108182059

Service difficulty report · Floorbeam · Doug MD1030F

Difficulty date: August 18, 2021
Submitted: September 27, 2021
Operation: Air carrier
Aircraft: N307FE
Make and model: Doug MD1030F
Aircraft serial: 48291
Aircraft time: 77,588 hours, 26,855 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: AEA05823
Condition: Cracked
Location: Bs 1256 Lbl 112
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

FUSELAGE MAINFRAME OVERWING FLOOR BEAM L/H SIDE AT STA 1256 LBL 112 IS CRACKED APPROX. ONE INCH IN LENGHT. (MKD) REPAIRED FUSELAGE MAINFRAME OVERWING FLOOR BEAM AT STA 1256 LBL112 REF BOEING SERVICE BULLETIN DC10-53-172 FIG 5, DWG SR10530081, EA 8-5310-T0363831 TITLED: FUSELAGE - MAINFRAME- CENTER FUSELAGE FLOOR SUPPORT INSTALLATION, STA 1256

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