# SDR MRKA9537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N690MA](https://openairdocs.org/aircraft/N690MA), registered now
- Make and model: Boeing 737-4S3
- Registry model: [Boeing 737-4S3](https://openairdocs.org/model/boeing-737-4s3) (OpenAirDocs)
- Aircraft serial: 24165
- System (JASC): [3530 · Portable Oxygen System](https://openairdocs.org/jasc/3530)
- Part: Pbe Seal
- Part number: 4566M7B042N
- Condition: Broken
- Location: Flight Deck
- 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/MRKA9537

## Discrepancy

REMOVED AND REPLACED PBE IN CONTROL CABIN DUE VACUUM SEAL BROKEN.  (W)

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