# SDR CKSA97536

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N727CK](https://openairdocs.org/aircraft/N727CK), registered now
- Make and model: Boeing 727-22C
- Registry model: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (OpenAirDocs)
- Aircraft serial: 19195
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Doubler
- Condition: Corroded
- Location: Bs 1183-1342
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CKSA97536

## Discrepancy

DURING CPCP CHECK INSPECTION, FOUND CORROSION ON FWD RISER OF 3RD STEP DOWN ON AFT AIR STAIRS.  REMOVED CORROSION IAW B727 SRM 51-10-6.  CORROSION FOUND TO BE OUT OF LIMITS IAW 51-10-1.  INSTALLED DOUBLER REPAIR IAW B727 SRM 51-40-1.  CORROSION TASK CARD NUMBER C53-137-01 PART 1 OF 1.  NON-ROUTINE TASK CARD NUMBER 002005.

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