# SDR TWAA9815307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N986Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47589
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Cracked
- Location: Lt 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/TWAA9815307

## Discrepancy

DURING CHECK-C MAINT, FOUND LT WING AFT SPAR WITH EDDY CURRENT INDICATION OF 1.25 INCH CRACK IN AFT SPAR WEB, .75 INCH BELOW O/B LOWER BOLT HOLE FOR O/B FLAP HINGE CASTING.  INSTALLED REPAIR PER ROD DRAWING 95-12-06-018, AND ARA 15388.

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