# SDR TWAA0016105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2000
- Submitted: October 17, 2000
- Operation: Air carrier
- Aircraft: N977Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47249
- Aircraft time: 76,944 hours, 89,496 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Cabin
- 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/TWAA0016105

## Discrepancy

DURING OP 15 MAINT CHECK THE FWD ENTRY AREA HAD CORROSION ON FLOOR SUPPORT BEAM AT STA 200, LBL 0 TO 20 INCHES.  FABRICATED AND REPLACED CORRODED PART PER SRM 53-11-1, FIG 11 SHEET 1 AND 2.

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