# SDR SWAA2023080184523

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2023
- Submitted: August 1, 2023
- Operation: Air carrier
- Aircraft: [N7874B](https://openairdocs.org/aircraft/N7874B), registered now
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 29352
- Aircraft time: 55,230 hours, 30,441 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Limiter
- Part number: UNKNOWN
- Condition: Leaking
- Location: Zn 100 Fus Lower
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: D, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023080184523

## Discrepancy

B SYS HYD FAILURE FOUND PRESSURE DECK FLOW LIMITER ASSEMBLY LEAKING FROM UNION PACKING. CREW REPORTS IMMEDIATELY TURNED BOTH EDP & EMDP TO OFF POSITION. DUE TO HYDRAULIC QUANTITY DEPLETING.<[01] FOUND CRACKED FITTING; REMOVED AND REPLACED T/E FLAP FLOW LIMITER; AMM IAW 27-51-67. RAN ENGINES AND ALL FLIGHT CONTROLS; PER AMM 71-00-00; SERVICED HYDRAULIC QUANITY PER AMM 12-12-00; ALL SYSTEMS RESTORED.

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