# SDR CALA2024093000704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2024
- Submitted: September 30, 2024
- Operation: Air carrier
- Aircraft: [N57111](https://openairdocs.org/aircraft/N57111), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27301
- Aircraft time: 111,807 hours, 23,665 cycles
- Engine: Rroyce RB211535E4B3
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Screen
- Part number: ED101208SD
- Condition: Faulted
- Location: Bleed Valve
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024093000704

## Discrepancy

PDA 2  ON E2 AT 9OCLOCK POSITION. DISCOVERED MISSING ATTENUATOR SCREEN.  EWR REPORTED E1 LEFT BLEED VALVE ATTENUATION SCREEN IS MISSING. NO IDEA WHEN IT MAY HAVE DEPARTED THE ENGINE.  IT MEASURES APPROX 6 INCH DIAMETER (28.27 INSQ).  PER THE GMM 2-30-95 THIS IS A CAT 1 PDA.

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