# SDR TWAA9802905

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N978Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47250
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Condition: Cracked
- Location: Bs 160
- 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/TWAA9802905

## Discrepancy

STL - DURING OP 15, A .25 INCH CRACK WAS FOUND AT STA 160 LONGERON 4L BELT RING.  REPLACED LONGERON FROM STA 148 END FITTING TO FACTORY SPLICE PER SRM 51-10.  ACFT TT:  70,351 HOURS.  ACFT TC:  83,824.  (X)

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