# SDR 2HGR2023122101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2023
- Submitted: December 22, 2023
- Operation: General aviation
- Filed by: [Hangar One of California Inc, repair station 2HGR264B](https://openairdocs.org/faa-repair-station/2HGR264B/hangar-one-of-california-inc.md) (OpenAirDocs)
- Aircraft: [N48PL](https://openairdocs.org/aircraft/N48PL), registered now
- Make and model: Gulstm GIVXG450
- Aircraft serial: 4181
- Aircraft time: 4,724 hours, 1,972 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TO
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2HGR2023122101

## Discrepancy

N48PL HAD AN RTO ON 12-21-2023. WHEN I GOT TO THE PLANE THE FLAPS WERE AT FLAPS 20, FLAPS COULD GO BACK TO THE FULL UP POSITION, BUT THEY WOULD NOT GO PAST 20 DEGREES, I WAS ABLE TO SEE THE FLAP FAIL CAS MESSAGE, I INTERROGATED THE CMC, I FOUND A BIT TEST FAILED ON THE FSECU, ONCE THE FSECU SENSES THE FLAPS FAILED, THE FLAPS WILL STAY ON THAT SPECIFIC CONFIGURATION, UNTIL THE POWER IS CYCLED. I PERFORMED A GENERAL VISUAL INSPECTION OF THE FLAPS FOR ANY ABNORMAL MECHANICAL FAILURE, NO FAULT FOUND. I SHUT DOWN THE APU & TURNED ELECTRICAL POWER OFF FOR 10 MINUTES, HAD THEY CREW PERFORM A HIGH-SPEED TAXI TO RECREATE THE CONDITIONS OF THE FAILURE, EVERYTHING WORKED. PLANE FLEW TO KSAN YESTERDAY AFTERNOON WITHOUT ANY FURTHER ISSUES.

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