# SDR 00FDEA00676

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2000
- Submitted: September 26, 2000
- Operation: Air carrier
- Aircraft: [N118FE](https://openairdocs.org/aircraft/N118FE), registered now
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19300
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Valve
- Part number: 32146451
- Part serial: P4914
- Condition: Malfunctioned
- Location: Nr 3 Pylon
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/00FDEA00676

## Discrepancy

AFT T/O BRING RT PACK ON, TURNED NR 3 BLD ON AND RT PACK ON.  AFT COMING ON A LOUD BOOMING NOISE HEARD AND MOMENTARY PRESS SPIKE IN CABIN.  *S/D*  REMOVED AND REPLACED NR 3 ENG BLEED AIR SHUTOFF VALVE.  REMOVED AND REPLACED NR 3 ENG HIGH PRESS MODULATING AND SHUTOFF VALVE REF 72-727-100 MM 36-10-001 & 36-112-0414.

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