# SDR SWAA2026041388288

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2026
- Submitted: April 13, 2026
- Operation: Air carrier
- Aircraft: [N7885A](https://openairdocs.org/aircraft/N7885A), registered now
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 33379
- Aircraft time: 71,965 hours, 37,330 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Fseu
- Condition: Faulty
- Location: Zone 100
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026041388288

## Discrepancy

LE FLAP TRANSIT LIGHT ILLUMINATED DURING APPROACH.<[01] FOLLOWED FIM 27-88 TASK 820 UP TO STEP F SUBSTEP (D) AND REPLACED THE FSEU IAW AMM 27-51-01; OPC GOOD.;[02] FOLLOWED FIM 27-88 TASK 820 UP TO STEP F SUBSTEP (D) AND REPLACED THE FSEU IAW AMM 27-51-01; OPC GOOD. RNR FLAP #4 RETRACT SENSOR S174 IAW AMM 27-88-11; OPC GOOD.;[03] USED SENSOR S174 PN 1-899-29FS BN: 719321<BR>USED TORQUE WRENCH T000014 SN:801561

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