# SDR SWAA2022093065529

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2022
- Submitted: September 30, 2022
- Operation: Air carrier
- Aircraft: [N431WN](https://openairdocs.org/aircraft/N431WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29845
- Aircraft time: 66,939 hours, 39,408 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Stiffener
- Condition: Cracked
- Location: #1 Ib Fan Cowl
- 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/SWAA2022093065529

## Discrepancy

#1 I/B FAN COWL HAS 1' CRACK IN STIFFENER AT AFT SIDE OF OIL SERVICE DOOR CUTOUT. / [01] REMOVED AND REPLACED STIFFENER AT #1 I/B FAN COWL AT AFT SIDE OF OIL SERVICE DOOR CUTOUT AS PER B737-700 SRM 51-40-02-0G-0.;[02] (AMENDING STEP 1) REMOVED AND REPLACED STIFFENER AT #1 I/B FAN COWL AT AFT SIDE OF OIL SERVICE DOOR CUTOUT AS PER B737-700 SRM 51-40-02-0G-0. PO #1744424.;[03] VERIFIED AND INSPECTED STEP#2.

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