# SDR SWAA2021080991339

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2021
- Submitted: August 9, 2021
- Operation: Air carrier
- Aircraft: [N561WN](https://openairdocs.org/aircraft/N561WN), registered now
- Make and model: Boeing 737-73V
- Registry model: [Boeing 737-73V](https://openairdocs.org/model/boeing-737-73v) (OpenAirDocs)
- Aircraft serial: 32417
- Aircraft time: 53,697 hours, 34,618 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Intercostal
- Condition: Cracked
- Location: Nr 1 Nacelle
- 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/SWAA2021080991339

## Discrepancy

NO- 1 ENG I/B FAN COWL INNER INTERCOSTAL CRACKS @ ENG OIL ACCESS CUTOUT MKD DOT ; / [01] REMOVED AND REPLACED INNER INTERCOSTAL AT NO 1 ENGINE I/B FAN COWL AT ENG. OIL ACCESS CUTOUT. REF. BOEING 737-700 SRM 51-40-02-0G-0; [02] VERIFIED STEP 1

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