# SDR SWAA2023020180630

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2022
- Submitted: February 2, 2023
- Operation: Air carrier
- Aircraft: N564WN
- Make and model: Boeing 737-73V
- Registry model: [Boeing 737-73V](https://openairdocs.org/model/boeing-737-73v) (OpenAirDocs)
- Aircraft serial: 30244
- Aircraft time: 55,884 hours, 38,078 cycles
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Skin
- Part number: NOTENTERED
- Condition: Corroded
- Location: Zn 300 Stabilize
- 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/SWAA2023020180630

## Discrepancy

CORROSION EXTERNAL SKIN VERTICAL FIN AFT EDGE LOCATED APROX. STA 169.0 AT VERTICAL STABILIZER 2022-694959<[01] TOOL USED ULTRASONIC EQUIPMENT PN: 45MG; SN: 130064101; DUE DATE: 12 OCT 23;[02] REMOVED DAMAGE AND REWORKED AREA FOUND WITHIN LIMITS IAW B737-700 SRM 55-30-01-1A-2 AD2 FIG. 104 DETAIL F; WITH EXACTLY LOCATION CORROSION EXTERNAL SKIN VERTICAL FIN AFT EDGE LOCATED APROX. STA 169.0 AT VERTICAL STABILIZER RH SIDE; NOT FURTHER ACTION OR REINSPECTION REQUIRED; SEE INDIVIDUAL SIGN OFF BELOW.;[03] REMOVED DAMAGE AND REWORKED AREA FOUND WITHIN LIMITS IAW B737-700 SRM 55-30-01-1A-2 AD2 FIG. 104 DETAIL F; WITH EXACTLY LOCATION CORROSION EXTERNAL SKIN VERTICAL FIN AFT EDGE LOCATED APROX. STA 169.0 AT VERTICAL STABILIZER RH SIDE; NOT FURTHER ACTION OR REINSPECTION REQUIRED; SEE INDIVIDUAL SIGN OFF BELOW

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