# SDR TWAA9805907

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N991Z](https://openairdocs.org/aircraft/N991Z), registered now
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47096
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Cracked
- Location: Rt Wing
- 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/TWAA9805907

## Discrepancy

MCI - DURING OP 15 MAINTENANCE CHECK, FOUND RT WING AFT FLAP INBD HINGE CASTING, LOWER INBD HOLE ON REAR SPAR, HAD A CRACK INDICATION ON FACE.  INSTALLED REPAIR DOUBLER PER PRINT JO60271 PER WORK SHEET MC8-AD-36.  ACFT TT:  70,732 HOURS.  ACFT TC:  76,937.  (X)

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