# SDR HAL9749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N709HA
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47764
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- Condition: Cracked
- Location: Vert Stab
- 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/HAL9749

## Discrepancy

VERTICAL STABILIZER LEADING EDGE, INTERNAL, NR 5 RIB CRACKED BOTTOM RIGHT SIDE AT STA ZFS 92.  STOP DRILLED CRACK, FABRICATED PR 2046 DOUBLER.  TREATED AND INSTALLED COMPLETE IAW SRM'S 51-10-3, 51-10-2, 55-01, FIG 2, 55-02, FIG 27, SHEET 11.50-60-0, PG 19.51-30-2, AND 51-30-5.  TOTAL TIME:  29,567 HOURS.  TOTAL CYCLES, 73,626.  (X)

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