# SDR CNMA20100016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2010
- Submitted: May 19, 2010
- Operation: Air carrier
- Aircraft: [N621AX](https://openairdocs.org/aircraft/N621AX), registered now
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 48319
- Aircraft time: 65,741 hours, 11,005 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 2007
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CNMA20100016

## Discrepancy

BS 2007 LBL 77 CORROSION ON TEE CHORD FLOOR SUPPORT.  ALL OPEN HOLES WERE NDT INSPECTED - NO CRACKS OR CORROSION FOUND.  THIS SECTION OF CHORD WAS INCLUDED IN THE REPAIR OF NRC-387. SEE NRC 387. (NONRO 387,  CORRODED SECTION OF CHORD WAS TRIMMED OUT. NEW SECTION FABRICATED FROM THE TEE PN NJC6040-175 WAS INSTALLED WITH SPLICES PN N621AX-NRC387-1/-2 IAW SRM VOL I 53-40-00, FIG 16 AND USING FASTENERS IAW SRM VOL II 51-33-01 PAGE 34. BACB30MYGKGX.)

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