# SDR 2021FA0000008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2021
- Submitted: January 13, 2021
- Operation: General aviation
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Aircraft serial: 27458
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Precooler
- Condition: Leaking
- Location: Pneumatic Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000008

## Discrepancy

STRONG LEAK AIR BY THE BLEED AIR PRECOOLER RIGHT ENGINE.  CORRECTIVE ACTION: HAS BEEN PERFORMED REMOVAL AND INSTALLATION BLEED AIR PRECOOLER, IAW AMM 36-12-25/401.  IN TEST NO LEAKS.

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