# SDR IXXA05SMN311S

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2005
- Submitted: February 15, 2006
- Operation: Air carrier
- Aircraft: N722CX
- Make and model: Doug DC-8-72
- Registry model: [Doug DC-8-72](https://openairdocs.org/model/douglas-dc-8-72) (OpenAirDocs)
- Aircraft serial: 46130
- Aircraft time: 71,621 hours, 17,096 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Fitting
- Condition: Corroded
- Location: Zone 600
- Part time: 71,621 hours, 17,096 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/IXXA05SMN311S

## Discrepancy

DURING ROUTINE C-CHECK INSPECTION, NR 4 ENGINE - LEFT T/R RAIL FITTING CORRODED AT 12 O`CLOCK POSITION (THRUST REVERSER).  REMOVED LEVEL I CORROSION FROM RAIL FITTING IAW DC-8 SRM 51-1-8 PAGES 17-18 (MATERIAL THICKNESS: 0.133, BLEND OUT: 0.003, REMAINING THICKNESS: 0.130) FOUND WITHIN ALLOWABLE LIMITS IAW CFM MM 78-31-20 PAGES 609-610.  CLEANED, TREATED AND PRIMED IAW DC-8 SRM 51-1-8B.

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