# SDR HAL9740

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 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): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Corroded
- Location: Ws 509.50
- 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/HAL9740

## Discrepancy

LEFT WING AFT SPAR UPPER FLANGE HAS LEVEL 2 CORROSION SPLITTING FLANGE JUST ABOVE MOST OUTBOARD AILERON HINGE BRACKET XRS 509.50.  REMOVED CORROSION AND TREATED PER SRM 51-10-3.  INSTALLED L-ANGLE DOUBLER PER SRM 57-09, FIG 3, AND DRAWING SKB012718N01089.  TOTAL TIME:  29,567 HOURS.  TOTAL CYCLES, 73,626.  (X)

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