# SDR DALA2024021201933

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2024
- Submitted: February 12, 2024
- Operation: Air carrier
- Aircraft: [N940DU](https://openairdocs.org/aircraft/N940DU), registered now
- Make and model: Boeing 737-9GPER
- Registry model: [Boeing 737-9GPER](https://openairdocs.org/model/boeing-737-9gper) (OpenAirDocs)
- Aircraft serial: 38723
- Aircraft time: 23,475 hours, 16,619 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: UNKNOWN
- Condition: Corroded
- Location: Bs 400-500l
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024021201933

## Discrepancy

(LOG 0191636) FWD CARGO COMPARTMENT, LH ZEE CHANNEL HAS SPOTS OF CORROSION BETWEEN BS 400 AND BS 500L, LBL 21. REMOVED AND REPLACED ZEE-CHANNEL SECTION FROM BS 500B+ 12" TO BS 500L SPLICED AT 500B+12" I.A.W B737 SRM 51-40-02-0G B737 SRM 53-00-53-2R-6 AND DWG# 143A7500.

---
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.