SDR DALA2015071304284

Service difficulty report · Floorbeam · Boeing 7572Q8

Difficulty date: July 12, 2015
Submitted: July 13, 2015
Operation: Air carrier
Aircraft: N823DX
Make and model: Boeing 7572Q8
Aircraft serial: 33967
Aircraft time: 25,839 hours, 15,429 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 345
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

CORROSION ON BS 345 FLOORBEAM UPPER TEE, BETWEEEN BL 0 AND LBL 20. BLENDED OUT CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-01 ALLOWABLE DAMAGE 1, FIG 101, DETAIL III. CUT OUT THE DAMAGE SECTION BETWEEN RBL 35 TO LBL 50.5. FABRICATED A REPAIR, LOCATED, DRILLED, AND NDT HFEC SURFACE IAW NTM PT6 51-00-19 AND 51-00-16 IAW SRM 53-00-51, REP 10, PG 202. NO CRACKS.

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