# SDR SCNA20240429218

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2024
- Submitted: April 29, 2024
- Operation: Air carrier
- Aircraft: [N7907A](https://openairdocs.org/aircraft/N7907A), registered now
- Make and model: Boeing 737-83N
- Registry model: [Boeing 737-83N](https://openairdocs.org/model/boeing-737-83n) (OpenAirDocs)
- Aircraft serial: 32577
- Aircraft time: 56,582 hours, 40,935 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: UNKNOWN
- Condition: Cracked
- Location: Bs 540
- 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/SCNA20240429218

## Discrepancy

UPPER FUSELAGE MAIN CARGO CABIN FLOOR STRUCTURE AREA AT BODY STATION 540 CENTER FUEL TANK STIFFENERS WITH CRACKS AT ALL POSITIONS. REPLACED SHEAR FITTINGS AT BS 540 CENTER FUEL TANK IAW B737-800 BCF SRM 51-10-02-06-0 PAR 9 AND DWG.111A20000 NEW SHEAR FITTING PN 111A2401 AT LBL.54.60, LBL. 40.87, LBL.32.40, LBL15.04, LBL.6.14 RBL.6.14, RBL.15.04, RBL.32.40, RBL.40.87 AND RBL.54.60

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.