# SDR SWAA2024011230021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2023
- Submitted: January 12, 2024
- Operation: Air carrier
- Aircraft: [N8560Z](https://openairdocs.org/aircraft/N8560Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 64115
- Aircraft time: 19,593 hours, 9,949 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: UNKNOWN
- Condition: Corroded
- 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/SWAA2024011230021

## Discrepancy

AFT CARGO SIDEPLATE ZEE CHANNEL AT LBL 21.00; STA 727E TO STA 827; SEVERAL SPOTS WITH CORROSION. 221-04<[01] REMOVED CORROSION AT AFT CARGO SIDEPLATE ZEE CHANNEL AT LBL 21.00; STA 727E TO STA 827 ; REF SRM 51-10-02-0G-0;[02] REMOVED CORROSION AFT CARGO SIDEPLATE ZEE CHANNEL AT LBL 21.00; STA 727E TO STA 827.PER REF SRM 51-10-02-0G-0. FOUND OUT OF LIMITS PER REF 53-00-53-1A-2. <BR>REMOVED AFT CARGO LEFT SIDEPLATE ZEE CHANNEL PER SRM 51-40-02-0G-0<BR>FABRICATED A NEW ZEE CHANNEL SIDEPLATE AND SPLICES PER REF SRM 53-00-53-2R-5. AND SRM 51-40-05-G-0. <BR>TREATED AND PRIMED ZEE CHANNEL AND SPLICES PER REF AMM 51-21-41-370-802; AMM 51-21-72-370-803. <BR>ASSEMBLED FABRICATED SPLICES REPAIR ON AFT CARGO LEFT ZEE CHANNEL FROM STA 727E TO STA 727F AND FROM STA 727J TO STA 747 PER SRM 53-00-53-2R-5 AND SRM 51-40-02-0G-0.<BR>INSTALLED NEW FABRICATED LEFT ZEE CHANNEL PER REF SRM 51-40-02-0G-0; DWG 146A7500.<BR>INSTALLED NEW NUTPLATES ON AFT CARGO LEFT ZEE CHANNEL PER REF SRM 51-40-10-2R-0.;[03] VERIFIED STEPS 1 AND 2

---
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.