# SDR SWAA2023073182842

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2023
- Submitted: July 31, 2023
- Operation: Air carrier
- Aircraft: [N778SW](https://openairdocs.org/aircraft/N778SW), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27883
- Aircraft time: 73,389 hours, 43,633 cycles
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Nozzle
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 400 Nacelle/P
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023073182842

## Discrepancy

DURING WALKAROUND FOUND A CRACK AT THE 12 OCLOCK POSITION ON THE PRIMRAY EXHAUST NOZZLE ON THE #1 ENGINE BETWEEN MID AND AFT DOUBLER MEASURING APPROX. 6 INCHES BY 7 INCHES.<[01] R&R PRIMARY NOZZLE ASSEMBLY PER AMM 78-11-01

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