# SDR C8GA20090056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2009
- Submitted: April 3, 2009
- Operation: Air carrier
- Aircraft: N357KP
- Make and model: Boeing 727230
- Aircraft serial: 20675
- Aircraft time: 69,532 hours, 37,070 cycles
- System (JASC): [7160 · Engine Air Intake System](https://openairdocs.org/jasc/7160)
- Part: Intake Duct
- Condition: Corroded
- Location: Nr 2 Engine
- Part time: 69,532 hours, 37,070 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/C8GA20090056

## Discrepancy

WHILE IN HEAVY MAINTENANCE IS WAS NOTED THAT THE NR  2 ENGINE S DUCT HAS CORROSION ON THE LOWER INNER SKIN BY THE DUCT ACCESS DOOR BS 1342.40.  CUT OUT DAMAGE DIM 19.68 INCH BY 8 INCH.  FABRICATED DOUBLER FROM 7075-O  .080 INCH DIM 26 INCH BY 14 INCH.   HEAT TREATED TO T6, FABRICATED FILLER FROM 2024 T3 .040 INCH DIM 19.5INCH BY 8 INCH.  INSTALLED REPAIR, NO OTHER DEFECTS WERE NOTED.  AIRCRAFT WAS RETURNED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.