# SDR SWAA2023042017018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2023
- Submitted: April 20, 2023
- Operation: Air carrier
- Aircraft: [N435WN](https://openairdocs.org/aircraft/N435WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32455
- Aircraft time: 66,297 hours, 39,595 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Bracket
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023042017018

## Discrepancy

RIGHT A/C BAY PNEUMATIC CROSS OVER DUCT SUPPORT BRACKET MOUNTED ON KEEL BEAM CRACKED B.S. 546 RBL. 6'. (51-009)<[01] REMOVED AND REPLACED RIGHT A/C BAY PNEUMATIC CROSS OVER DUCT SUPPORT BRACKET MOUNTED ON KEEL BEAM B.S. 546 RBL. 6' IN REF B737 SRM 51-40-02-0G-0 AND 51-40-04-OG-0<BR>USED AAR TORQUE WRENCH B/C 175056;[02] VERIFIED REPLACEMENT

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