# SDR HALA201910310461

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2019
- Submitted: October 31, 2019
- Operation: Air carrier
- Aircraft: [N476HA](https://openairdocs.org/aircraft/N476HA), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55118
- Aircraft time: 28,824 hours, 67,637 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Duct
- Part number: 59718801
- Condition: Disconnected
- Location: Cabin Pressure
- Part time: 28,824 hours, 67,637 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA201910310461

## Discrepancy

ATB - LEVEL AT FL260 FELT A PRESSURE BUMP FOLLOWED BY A CABIN RATE LEVEL ONE. 2 MINS LATER GOT CABIN ALT LEVEL 3 ALERT. EMERGENCY DESCENT TO MAUI. // PERFORMED VISUAL INSP. IN AFT ACCESSORY FOUND DUCT ASSY. DISCONNECTED. P/N: 5971880-1. RESECURED DUCY ASSY. OPS LEAK CK GOOD 21-30-00 AMM. PERFORMED FIM 21-30 TASK 806. RTS OF CPC PASS NO FAULTS NOTED. AMM 21-30-01-741-801. O.K. FOR SERVICE.PERFORMED VISUAL INSP. IN AFT ACCESSORY FOUND DUCT ASSY. DISCONNECTED. P/N: 5971880-1. RESECURED DUCY ASSY. OPS LEAK CK GOOD 21-30-00 AMM. PERFORMED FIM 21-30 TASK 806. RTS OF CPC PASS NO FAULTS NOTED. AMM 21-30-01-741-801. O.K. FOR SERVICE.

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