# SDR TWAA0105903

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2001
- Submitted: April 3, 2001
- Operation: Air carrier
- Aircraft: [N909TW](https://openairdocs.org/aircraft/N909TW), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49170
- Aircraft time: 54,668 hours, 28,099 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- 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/TWAA0105903

## Discrepancy

DURING CHECK-C MAINT FOUND CORROSION ON AFT PRESSURE BULKHEAD AT STA 1338, JUST AFT OF END OF LONGERON 30.  CORROSION WAS ON TRIANGULAR DOUBLER AT LOWER END OF AFT PRESSURE BULKHEAD AT 0BL.  CLEANED CORROSION PER SPM 6-80-01 AND FOUND BEYOND LIMITS.  REMOVED CORRODED DOUBLER AND FABRICATED NEW PART AND INSTALLED PER SPM 6-70-01 AND DRAWING 5910130.  PRIMED AND PAINTED PER SRM 51-10-3.

---
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.