# SDR SWAA2023121330419

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2023
- Submitted: December 13, 2023
- Operation: Air carrier
- Aircraft: [N491WN](https://openairdocs.org/aircraft/N491WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33867
- Aircraft time: 60,258 hours, 36,016 cycles
- System (JASC): [7110 · Engine Cowling System](https://openairdocs.org/jasc/7110)
- Part: Cowling
- 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/SWAA2023121330419

## Discrepancy

LEFT ENGINE FAN COWL HAS A 10 INCH CRACK FWD OF IDG DOOR.<[01] REMOVED AND REPLACED THE NUMBER 1 ENGINE OUTBOARD FAN COWL AS PER AMM 71-11-02 AND MT 771-11-02.

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