# SDR SWAA2021042666055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2021
- Submitted: April 26, 2021
- Operation: Air carrier
- Aircraft: [N201LV](https://openairdocs.org/aircraft/N201LV), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29854
- Aircraft time: 55,321 hours, 32,710 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Sensor
- Part number: 90004212
- Part serial: 13858
- Condition: Faulty
- Location: Lt Wing Te Flaps
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021042666055

## Discrepancy

FLAPS/LEADING DEVICES DID NOT EXTEND DURING LANDING PERFORMED ALL FLAPS LANDING / FOUND FAULT MSG NO: 27-53256 ON FSEU BITE. R&R #1 FLAP SKEW DETECTION SENSOR PER AMM 27-59-01 POS; 7 PN OFF/ON; 9000421-2 SN OFF; 13858 SN ON; 17750

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