# SDR TWAA9810309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N491SA](https://openairdocs.org/aircraft/N491SA), registered now
- Make and model: Doug DC-9-15
- Registry model: [Doug DC-9-15](https://openairdocs.org/model/mcdonnell-douglas-dc-9-15) (OpenAirDocs)
- Aircraft serial: 45799
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Fuselage
- 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/TWAA9810309

## Discrepancy

STL - FOUND LT Z14 RADIAL OTBD UPPER HOLE ON THE FORWARD SIDE WITH .3750 INCH CRACK INDICATION BY EDDY CURRENT.  REMOVED AND REPLACED END CLIP PER SRM 51-30-5, AND ARA 15188.  CHECK-C 3-12-98 STL.  ACFT TT:  66,639 HOURS.  ACFT TC:  80,202.  (X)

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