# SDR WXOA99011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N127NK](https://openairdocs.org/aircraft/N127NK), registered now
- Make and model: Doug DC-9-21
- Registry model: [Doug DC-9-21](https://openairdocs.org/model/douglas-dc-9-21) (OpenAirDocs)
- Aircraft serial: 47361
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Duct
- Condition: Cracked
- Location: Vertical 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/WXOA99011

## Discrepancy

MHV - DURING AIRCRAFT SCHEDULED INSPECTION AT REPAIR STATION, VERTICAL STABILIZER AIR INTAKE DUCT AT 12 O'CLOCK POSITION HAS A CRACK APPROXIMATELY .25 INCHES LONG.  REPAIRED CRACK IAW BOEING EA M-7200-99-09364.  (M)

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