# SDR TWAA0003708

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2000
- Submitted: April 13, 2000
- Operation: Air carrier
- Aircraft: N984Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47412
- Aircraft time: 71,674 hours, 81,088 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 237
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA0003708

## Discrepancy

DURING OP 16 MAINT CHECK, FOUND FLOOR SUPPORT CORRODED AT STA 237 BETWEEN BL O AND LBL 22 IN.  FABRICATED NEW PART PER SAMPLE SPM 6-70-01 AND SRM 53-11-1 MATERIAL SPECS.  APPLIED PROTECTIVE TREATMENT PER SRM 51-10-3.  INSTALLED PART PER SRM 51-30 AND 51-10-04.

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