# SDR SWAA2023052443688

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2023
- Submitted: May 25, 2023
- Operation: Air carrier
- Aircraft: [N959WN](https://openairdocs.org/aircraft/N959WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36674
- Aircraft time: 38,285 hours, 23,370 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Shield
- 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/SWAA2023052443688

## Discrepancy

FWD CARGO BAY AFT SHEILD AT BS 492-500A RBL 24 WL 156 IS CORRODED<[01] CORROSION ON ACB FWD SHIELD FOUND TO BE OUT OF LIMITS DUE TO NO ENTRIES IN SRM FOR ALLOWABLE DAMAGE; PART TO BE REPAIRED BY REPLACEMENT IAW. SRM 51-10-02-0G-0 PAR-9.C.;[02] RECEIVED SHIELD P/N 143A8126-36 LOT: 1526495-1.<BR>LOCATED AND DRILLED SHIELD BETWEEN BS 492-500A RBL 24 WL. 156 IAW SRM 51-40-05 DWG# 143A0080. <BR>REMOVAL & INSTALLATION ARE ACCOMPLISHED WITH THE CUSTOMER CARD # TTG8Q004C7KF STEP#12;40. <BR>ALL MAINTENANCE ACTION ARE COMPLETE REQUEST FINAL BUY OFF.;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2 AND MEASUREMENT TABLE.

---
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.