# SDR TWAA9809414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N991Z](https://openairdocs.org/aircraft/N991Z), registered now
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47096
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 200
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9809414

## Discrepancy

MCI - DURING OP 15 MAINTENANCE CHECK, FOUND CORROSION ON LOWER SIDE OF THE FLOORBEAM AT STA 200, LBL 43 INCHES TO RBL 43 INCHES.  REMOVED CORROSION PER SRM 51-10-03, AND REPAIRED PER SRM 53-01, FIG 25 SHT 4, PAGE 9.  (X)

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