# SDR UIEA2022090100937

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2022
- Submitted: September 13, 2022
- Operation: Air carrier
- Aircraft: [N1489A](https://openairdocs.org/aircraft/N1489A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27206
- Aircraft time: 112,183 hours, 22,763 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: None
- Part number: 113T220137G
- Part serial: TLS20749
- Condition: None
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022090100937

## Discrepancy

LH WING INBD MAIN FLAP LOWER SURFACE HAS AREAS OF BULGING SKIN LOWER CHORD, APROX€™ 52€? FROM THE INBD END THRU THE INBD SIDE OF THE OUTBD FLAP TRACK.(<P>REMOVED THE CORROSION FROM THE AFT LOWER CHORD OF THE LH INBOARD FLAP IAW B767 SRM 51-10-02. ORIGINAL MATERIAL THICKNESS IS 0.150" AND THE REMAINING MATERIAL THICKNESS IS 0.065" AND IS OUT OF LIMITS IAW B767 SRM 57-53-02-1A-1. REMOVED AND REPLACED LH WING I/B MAIN FLAP IAW B767 AMM 27-51-03. (CORROSION LEVEL 2)</P>)

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