# SDR SWAA2023031711749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2023
- Submitted: March 17, 2023
- Operation: Air carrier
- Aircraft: [N566WN](https://openairdocs.org/aircraft/N566WN), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 32753
- Aircraft time: 67,249 hours, 34,782 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Channel
- 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/SWAA2023031711749

## Discrepancy

CRACK CHANNEL LOCATED BETWEEN BS188 TO BS203.8 RBL 3.5 FWD NOSE COMPARTMENT 2023-106380<[01] TOOL USED TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 25-JAN-24.;[02] REPLACED CHANNEL LOCATED BETWEEN BS188 TO BS203.8 RBL 3.5 FWD NOSE COMPARTMENT IAW B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG #141A9194 SHEET 4 REV D. SEE INDIVIDUAL SIGNSOFF BELOW.;[03] REPLACED CHANNEL LOCATED BETWEEN BS188 TO BS203.8 RBL 3.5 FWD NOSE COMPARTMENT IAW B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG #141A9194 SHEET 4 REV D. SEE INDIVIDUAL SIGNSOFF BELOW.

---
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.