# SDR COMA0010317

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2000
- Submitted: August 21, 2000
- Operation: Air carrier
- Aircraft: [N268CA](https://openairdocs.org/aircraft/N268CA), registered now
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120262
- Aircraft time: 20,502 hours, 21,614 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 12019230003
- Condition: Corroded
- Location: Fuselage
- Part time: 20,502 hours, 21,614 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0010317

## Discrepancy

ON AN OVERNIGHT, MECHANIC NOTICED A BULGE ON EXTERNAL SKIN AT FRAME 21 LOWER RIGHT SIDE.  UPON FURTHER INSPECTION, FOUND STRINGER 21R HAD CORROSION BETWEEN FRAME 21 AND FRAME 22 UNDER TCAS ANTENNA INTERNAL DOUBLER.  CUT OUT CORRODED SECTION OF FUSELAGE SKIN AT FRAME 21 AND INSTALLED FILTER AND DOUBLER IN ACCORDANCE WITH EMB120 SRM 53-00-01, PG 219 AND 222.  CUT OUT CORRODED SECTION OF STRINGER 21R BETWEEN FRAMES 21 AND 22 AND  SPLICED A SERVICEABLE SECTION OF STRINGER IN ACCORDANCE WITH AERODESIGN REPORT 3759-1 REV IR DATED 8/11/00.

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