# SDR CALA2026092119559

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N78501](https://openairdocs.org/aircraft/N78501), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31602
- Aircraft time: 60,909 hours, 23,334 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Condition: Leaking
- Location: Zone 500
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026092119559

## Discrepancy

HYDRAULIC FLUID STREAKS AND SHIMMERY FLUID PRESENT ON LT WING LOWER SIDE OF FLAPS AND FLAP SEALS BETWEEN OUTERMOST PYLON COVER AND MIDDLE PYLON COVER INSPECTED SUSPECTED AREA. FOUND MOIST LINES/ AND HYDRAULIC SMELL. UNABALE PINT POINT SUSPECTED LEAK. CLEANED LINES AND ACTUATORS IN AREA SUSPECTED OF LEAKAGE THEN ACTUATED THE FLAP AND SLAT SYS THROUGH THREE CYCLES. REINSPECTION REVEALED NO ACTIVE LEAK ON LINES OR CONNECTORS. REF AMM 29-00-00-790-801-C4. A/C CLEAR FOR CONTINUED SERVICE.

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