# SDR SWAA2021112331996
- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2021
- Submitted: November 23, 2021
- Operation: Air carrier
- Aircraft: [N7833A](https://openairdocs.org/aircraft/N7833A), registered now
- Make and model: Boeing 737*
- Aircraft serial: 30036
- Aircraft time: 52,438 hours, 34,472 cycles
- System (JASC): [5330 ยท Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Fuselage
- 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/SWAA2021112331996
## Discrepancy
CORROSION EXTERNAL SKIN FUSELAGE LOCATED BSTA 1040 MORE 1 INCH AND BTW STR 24L AND STR 25L AT LOWER FUSELAGE ; 2021-486547 / [01] EDDY CURRENT EQUIPMENT P/N: NORTEC 600; S/N: 200048001; DUE DATE: 24-FEB-22; [02] TOOL USED ULTRASONIC GAUGE PN/ 45MG ; SN/ 130061901;;DUE DATE/ 11MAY22.; [03] REPAIRED EXTERNAL SKIN FUSELAGE LOCATED BSTA 1040 MORE 1 INCH AND BTW STR 24L AND STR 25L AT LOWER FUSELAGE IAW EA# 21-153-03329 REV 1; EA# 21-153-03329-WIP1 REV 1. THIS REPAIR IS CLASSIFIED AS MINOR AND CATEGORY A. NOT FURTHER ACTION OR INSPECTION REQUIRED.; [04] CORRECTIVE ACTION 3
REPAIRED EXTERNAL SKIN FUSELAGE LOCATED BSTA 1040 MORE 1 INCH AND BTW STR 24L AND STR 25L AT LOWER FUSELAGE IAW EA# 21-153-03329 REV 1; EA# 21-153-03329-WIP1 REV 1. THIS REPAIR IS CLASSIFIED AS MINOR AND CATEGORY A. NOT FURTHER ACTION OR INSPECTION REQUIRED. SEE INDIVIDUAL SIGNOFFS BELOW.; [05] CORRECTIVE ACTION 3
REPAIRED EXTERNAL SKIN FUSELAGE LOCATED BSTA 1040 MORE 1 INCH AND BTW STR 24L AND STR 25L AT LOWER FUSELAGE IAW EA# 21-153-03329 REV 1; EA# 21-153-03329-WIP1 REV 1. THIS REPAIR IS CLASSIFIED AS MINOR AND CATEGORY A. NOT FURTHER ACTION OR INSPECTION REQUIRED. SEE INDIVIDUAL SIGNOFFS BELOW.
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