# SDR HAL9744

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 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): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keel Beam
- Condition: Corroded
- Location: Bs 783-840
- 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/HAL9744

## Discrepancy

KEEL BEAM LOWER SKIN BETWEEN MLG DOORS HAS LEVEL 1 AND LEVEL 2 CORROSION PRESENT THROUGHOUT.  REMOVED CORROSION AND TREATED FS 783-840.  REPAIRED FS 794 PER MD ACTION NR 325991.  REPAIRED F/S 840 ANGLE PER SRM'S 51-10-2 AND 51-10-3.  TOTAL TIME:  29,567 HOURS.  TOTAL CYCLES, 73,626.  (X)

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