# SDR UIEA2018100102154

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2018
- Submitted: October 1, 2018
- Operation: Air carrier
- Aircraft: [N1439A](https://openairdocs.org/aircraft/N1439A), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28495
- Aircraft time: 68,004 hours, 15,680 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Circuit Card
- Condition: Unsecure
- Location: Bleed Air Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018100102154

## Discrepancy

RT BLEED DUCT LEAK EICAS MESSAGE ON PREFLIGHT WITH RIGHT PACK ON. RERACKED AIR SUPPLY CONTROL CARD M691 IAW AMM 36-11-12, NO FAULT OR MSG. FOUND LEAK AT ISO BYPASS CHECK VLV UPPER CLAMP AREA. TIGHTEN CLAMP AND LEAK CKD GOOD IAW AMM 36-11-05.

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