# SDR UIEA2019081985211

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2019
- Submitted: August 19, 2019
- Operation: Air carrier
- Aircraft: [N1321A](https://openairdocs.org/aircraft/N1321A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 27957
- Aircraft time: 84,693 hours, 19,946 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Circuit Card
- Part number: 3500833
- Part serial: 8139A
- Condition: Failed
- Location: Overheat Detecto
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019081985211

## Discrepancy

SHORTLY AFTER LEVEL OFF AT FL 380, "L BLD DUCT LEAK" EICAS MSG ANNUNCIATED.  FOLLOWED FIM 26-18 FAULT TREE 804. PERFORMED LEAK CHECK, NO OBVIOUS LEAK NOTED.  REMOVED AND REPLACED WHEEL WELL OVERHEAT CARD IAW AMM 26-10-01. OPS CHECK NORMAL.

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