# SDR SIMA200233836

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2002
- Submitted: March 3, 2003
- Operation: Air carrier
- Aircraft: N722AE
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145287
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Duct
- Part number: 14534417405
- Condition: Cracked
- Location: Apu System
- 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/SIMA200233836

## Discrepancy

JFK - FLT 4775 - AFTER TAKEOFF, CREW REPORTED THE AIRCRAFT WOULD NOT PRESSURIZE BOTH PACKS AND CIRCUIT BREAKER B-8 WERE RESET BY CREW WITH NO EFFECT.  CABIN RATE WOULD GO FROM -200 TO -1950 THEN TO AMBER DASHES.  MAINTENANCE FOND THE APU BLEED 'Y' DUCT CRACKED.  DUCT WAS REPLACED IAW EMB MM.  OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

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