# SDR MYWA110127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2011
- Submitted: December 8, 2011
- Operation: Air carrier
- Aircraft: N742EH
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30675
- Aircraft time: 27,577 hours, 11,306 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Seal
- Condition: Damaged
- Location: Bleed Air Sys
- Stage of operation: CL
- 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/MYWA110127

## Discrepancy

ETOPS SIGNIFICANT SYSTEM:  MCO AIRPORT AFTER T/O PASSING FOURTEEN THOUSAND FEET THE LEFT BLEED AIR TRIP OFF LIGHT ILLUMINATED FOLLOW MAI PROCEDURES.  T/S LEFT ENGINE AND FOUND PRECOOLER CONTROL VALVE KISS SEAL DAMAGED.  REPLACED PRECOOLER VALVE SEAL IAW B737-800 M/M 36-12-02, OPS CHECK PENDING.  ENGINE RUN OPS AND LEAK CHECK OK IAW AMM36-12-02 AND AMM 71-00-00.

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