# SDR 98ZZZX4088

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N521AT
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 24368
- Engine: Rroyce RB211535E437
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Valve
- Part number: 32143042
- Condition: Leaking
- Location: Nr 2 Engine
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX4088

## Discrepancy

MDW - DURING P/F, FOUND NR 2 ENGINE TRANSLATING COWL (11 O'CLOCK) WITH EVIDENCE OF HEAT DAMAGE.  FURTHER INSPECTION REVEALED THE HIGH PRESSURE (PNEUMATIC) SHUT-OFF VALVE WAS LEAKING.  TRANSLATING COWL AND PNEUMATIC VALVE WERE REPLACED, OPERATIONS CHECKED SYSTEM, AND OK FOR RETURN TO SERVICE.

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