SDR DALA2015082605230

Service difficulty report · Floorbeam · Boeing 7572Q8

Difficulty date: August 24, 2015
Submitted: August 26, 2015
Operation: Air carrier
Aircraft: N346BC
Make and model: Boeing 7572Q8
Aircraft serial: 33959
Aircraft time: 29,785 hours, 16,474 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 377
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 MAIN CABIN FLOORBEAM UPPER TEE BS 377, BETWEEN BL 0 AND LBL 24, FOUND TO BE OUT OF LIMITS. TRIMMED-OUT THE SECTION ON MAIN CABIN FLOORBEAM LBL 32.5 - RBL 36 IAW SRM 53-00-51, REP 10. INSTALLED & ACCOMPLISHED A PERMANENT REPAIR IAW SRM 53-00-51, REPAIR 10, PAGE 202, PAR 4 & DWG 141N5166, REV A.

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