# SDR TWAA0003021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N9406W
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53126
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Bs 579 & 598
- 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/TWAA0003021

## Discrepancy

DURING CHECK-C MAINTENANCE, THE LT FUSELAGE BETWEEN STA 598 AND 579, AT LONGERON 18R HAD MEMBRANE CORRODED.  REMOVED CORROSION PER SRM 51-10-3.  CUT OUT MEMBRANE AND REPAIRED PER SRM 53-01, PAGE 18.

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