# SDR TWAA0006417

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2000
- Submitted: April 26, 2000
- Operation: Air carrier
- Aircraft: N984Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47412
- Aircraft time: 71,673 hours, 81,088 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA0006417

## Discrepancy

DURING OP 16 MAINT CHECK, ON LT WING A CRACK IN LOWER SPAR CAP AT I/B FLAP HINGE SUPPORT FITTING, I/B LOWER HOLE, WAS FOUND.  REPAIRED PER DOUGLAS DRAWING JO60271.

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