# SDR 200200182

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2002
- Submitted: March 14, 2002
- Operation: Air carrier
- Filed by: [Marana Aerospace Solutions Inc, repair station ERKR675D](https://openairdocs.org/faa-repair-station/ERKR675D/marana-aerospace-solutions-inc.md) (OpenAirDocs)
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 84,224 hours, 20,351 cycles
- Engine: Pwa JT9D7J
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Nozzle
- Condition: Cracked
- Location: Nr 4 Engine
- 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/200200182

## Discrepancy

NR 4 ENGINE EXHAUST NOZZLE AT THE 2:00 POSITION, 4 INCHES FROM THE TRAILING EDGE HAS A 10 INCH CRACK IN THE OUTER SKIN.  FABRICATED AND INSTALLED REPAIR DOUBLER PER 747 SRM 54-30-03.

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