# SDR TWAA0000209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N950U
- 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: 49230
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Bs 1309
- 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/TWAA0000209

## Discrepancy

DURING OP 16 MAINT CHECK, FOUND CORROSION ON STA 1309 FORMER, FROM LONGERON 20L TO 28L.  REPLACED FORMER FROM L18L TO L28L, PER SRM 53-03, FIG 2A.

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