# SDR TWAA0004220

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2000
- Submitted: March 16, 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
- Aircraft time: 22,306 hours, 10,547 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- 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/TWAA0004220

## Discrepancy

DURING CHECK-C MAINT, FOUND CORROSION ON FRAME AT STA 1306, FROM LONGERON 30 TO 29R.  REPLACED CORRODED FRAME PER SRM 53-03 FIG 2A, SHEET 1 TO 5.

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