# SDR SWAA2023071056768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2023
- Submitted: July 10, 2023
- Operation: Air carrier
- Aircraft: [N7827A](https://openairdocs.org/aircraft/N7827A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 28255
- Aircraft time: 57,742 hours, 36,958 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Support
- 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/SWAA2023071056768

## Discrepancy

CORROSION SUPPORT ZEE LOCATED BTW BS727D TO BS727E RBL 23 WL 155.5 AT AFT CARGO COMPARTMENT 2023-365566<[01] TOOL USED: ULTRASONIC THICKNESS GAGE P/N: 45MG S/N: 221859911 DUE DATE: 07-NOV-23;[02] REPLACED SUPPORT ZEE LOCATED BTW BS727 TO BS767 RBL 23 WL 155.5 AT AFT CARGO COMPARTMENT AND FASTENERS I.A.W B737-700 SRM 51-40-02 AND DWG 146A7500 SHEET 61 REV - SEE INDIVIDUAL SIGN OFF BELOW;[03] TASK CARD COMPLETED <BR>REPLACED SUPPORT ZEE LOCATED BTW BS727 TO BS767 RBL 23 WL 155.5 AT AFT CARGO COMPARTMENT AND FASTENERS I.A.W B737-700 SRM 51-40-02 AND DWG 146A7500 SHEET 61 REV - SEE INDIVIDUAL SIGN OFF BELOW<BR>RII

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