# SDR IPXA2020073158471

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2020
- Submitted: July 31, 2020
- Operation: Air carrier
- Aircraft: [N430UP](https://openairdocs.org/aircraft/N430UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25461
- Aircraft time: 28,155 hours, 18,995 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Flap System
- Condition: Malfunctioned
- Location: Left
- Stage of operation: AP
- 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/IPXA2020073158471

## Discrepancy

ON EXTENDING GEAR FLAPS 20 ON FINAL APPROACH, RECEIVED TE FLAP ASSYM EICAS.  FLAP GUAGE SHOWED LEFT FLAP AT 15, RIGHT FLAP AT 18.  EMERGENCY DECLARED.  R & R THE LEFT OUTBOARD TE FLAP, OUTBOARD TEE GEARBOX IAW AMM 27-51-18-401.  R & R TE FLAP SUPPORT BEARING OTBD OF NR 4 TUBE IAW AMM 27-51-022-155, & 27-51-25-422. SUCCESSFUL ADJUSTMENT TEST LEFT FLAP POSITION TRANSMITTER IAW AMM 27-58-01-501.

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