# SDR SWAA2023122929493

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2023
- Submitted: December 29, 2023
- Operation: Air carrier
- Aircraft: N7845A
- Make and model: Boeing 737-71B
- Registry model: [Boeing 737-71B](https://openairdocs.org/model/boeing-737-71b) (OpenAirDocs)
- Aircraft serial: 29366
- Aircraft time: 50,501 hours, 32,811 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Web
- 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/SWAA2023122929493

## Discrepancy

CRACK INBOARD FAN COWL WEB ON ENGINE 1 2023-748582<[01] REPLACED WEB AND FASTENERS OF INBOARD FAN COWL ENG 1 IAW B737-700 SRM 51-40-02;[02] CORRECT STEP 1: REPLACED WEB AND FASTENERS OF INBOARD FAN COWL ENG 1 IAW B737-700 SRM 51-40-02 AND GOODRICH AEROSTRUCTURES CMM 71-13-30 FIGURE 4 SHEET 5;[03] 1: REPLACED WEB AND FASTENERS OF INBOARD FAN COWL ENG 1 IAW B737-700 SRM 51-40-02 AND GOODRICH AEROSTRUCTURES CMM 71-13-30 FIGURE 4 SHEET 5.JOB COMPLETED.

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