# SDR DALA1101209864

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2011
- Submitted: January 10, 2011
- Operation: Air carrier
- Aircraft: N773NC
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47775
- Aircraft time: 73,440 hours, 70,600 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Damaged
- Location: Bs 160
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1101209864

## Discrepancy

COCKPIT FLOORBEAM UPPER CAP HAS SEVERAL ELONGATED AND DOUBLE DRILL FASTENER HOLES AT BS 160 FROM BL 0 TO RBL 57.  REMOVED 51 INCHES FLOORBEAM UPPER CAP IAW SRM 53-05, FIG 20B.  REMOVED PULLEY BRACKET IAW SRM 51-30-1.  REINSTALLED PULLEY BRACKET IAW SRM 51-30-1.  FABRICATED, DRILLED SPLICES.  MACHINE TAPERED AND INSTALLED IAW SRM 53-05, FIG 20B, P-224.  REQUIRED INSP COMPLETED .

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