# SDR SWAA2023120718267

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2023
- Submitted: December 7, 2023
- Operation: Air carrier
- Aircraft: [N8556Z](https://openairdocs.org/aircraft/N8556Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63583
- Aircraft time: 19,574 hours, 9,791 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Strap
- 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/SWAA2023120718267

## Discrepancy

AFT CARGO FLOOR PANEL SPLICE STRAP HAS CORROSION ON UPPER SURFACE AROUND SEVERAL N/P HOLES AT STA 772. MRKD<[01] AFT CARGO COMPARTMENT DAMAGE ON SPLICE TEE ASSEMBLY UPPER SURFACE IN STA 767 + 5 RBL 22; LBL 22; WL 155 WAS FOUND TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-53-1A-2. REMOVED AND REPLACED SPLICE STRAP TEE ASSEMBLY IAW SRM 51-40-02; AMM 20-50-11.;[02] REJECT: FAULT HAS SEVERAL DISCREPANCIES.<BR><BR>1. MEASUREMENT #1 FOR RII SHOULD BE 'NO' AS PART IS NOT LISTED AS A PSE AND THEREFORE REPLACEMENT SHOULD HAVE NO RII REQUIREMENT.<BR>2. MEASUREMENT #2 FOR MAJOR REPAIR SHOULD BE 'NO'.<BR>3. CORRECTIVE ACTION #1 REFERENCES 'AMM 20-50-11 STANDARD TORQUE VALUES' BUT THERE IS NO TORQUE WRENCH LISTED IN THE TOOL REQUIREMENTS SECTION OF THE FAULT.

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