# SDR TWAA0008808

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2000
- Submitted: June 6, 2000
- Operation: Air carrier
- Aircraft: [N9409F](https://openairdocs.org/aircraft/N9409F), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53121
- Aircraft time: 22,081 hours, 11,316 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Fuselage
- 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/TWAA0008808

## Discrepancy

DURING CHECK-C MAINT, FOUND CABIN CORROSION ON FLOOR MEMBRANE AT LONGERON 18L, STA 560 TO 579 AND STA 541 TO 522.  REMOVED CORROSION PER SRM 51-10-3.  PRIMED PER 51-10-3.  REPAIRED PER SRM 53-01 FIG 4 PAGE 18.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.