# SDR 0104339971

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2001
- Submitted: November 30, 2001
- Operation: Air carrier
- Aircraft: N9335
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47337
- Aircraft time: 83,394 hours, 87,774 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Pressure Panel
- Condition: Cracked
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0104339971

## Discrepancy

During H ck in ATL, two cracks were found in the horizontal pressure panel at station 105 at x=25 and x=27. The crack at x=25 is typical of the cracks repaired in the dc-9 trm, 53-10-02 except this crack is 2.4" long. The crack at station x=27 is 1/2" long. Material 0.040" 2024-t3 Al. Repaired per EA 99-181213.

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