# SDR CALA2026041715438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2026
- Submitted: April 17, 2026
- Operation: Air carrier
- Aircraft: [N76055](https://openairdocs.org/aircraft/N76055), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29450
- Aircraft time: 96,347 hours, 13,507 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Malfunctioned
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026041715438

## Discrepancy

C HYD DEMAND PUMP EICAS W/FLAP RETRACTION TOMC HAS ORDERED PARTS TO IAD FOR FIM TASKS: ADP LOW PRESSURE LIGHT IS ON IN AUTO MODE OR MANUAL MODEREFERENCE: 29-11 FAULT TREE 898 FOLLOWED FIM TASK 29-11 FAULT TREE 898 PERFORMED CONTINUITY CHECK BETWEEN PIN 2 AND 3. FOUND CONTINUITY BETWEEN THE PINS. FIM SAYS REPLACE ADP CONTROL PRESSURE SWITCH S29. IADMM WORKING ITEM PILOT DEBRIEF: PILOT STATED THAT LANDING WAS SMOOTH. R&R S29 PRESSURE SWITCH REF AMM 29-11-19. PERFORMED OPS TEST OF MAIN HYDRAULIC SYSTEMS OPS CHECK GOOD AT THIS TIME.

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