# SDR HAL9750

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 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): [5400 · Nacelle/Pylon Structure](https://openairdocs.org/jasc/5400)
- Part: Rib
- Condition: Cracked
- Location: Nr 2 Pylon
- 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/HAL9750

## Discrepancy

.6875 INCH VERTICAL CRACK ON NR 2 PYLON CLOSING RIB ADJACENT TO FS 1167 BOTTOM OF LIGHTING HOLE.  FABRICATED DOUBLER, STOP DRILLED CRACK, AND INSTALLED DOUBLER PER DAC ACTION NR 327482 OR SRM 51-10-2.  TOTAL TIME:  29,567 HOURS.  TOTAL CYCLES, 73,626.  (X)

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