# SDR TWAA0000407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N110HM
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49787
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Location: Bs 484 - 496
- 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/TWAA0000407

## Discrepancy

DURING CHECK-C MAINT, FOUND WEB CORROSION AT STA 484 TO 496, AROUND LIGHTENING HOLE UNDERSIDE OF WEB.  CLEANED CORROSION FROM UNDERSIDE OF WEB LIGHTENING HOLE PER SRM 51-10-3.  REPAIR COMPLETED PER SRM 53-11-2 AND SRM 53-01 PAGE 18.

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