# SDR IPXA2026052990524

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2026
- Submitted: May 29, 2026
- Operation: Air carrier
- Aircraft: [N611UP](https://openairdocs.org/aircraft/N611UP), registered now
- Make and model: Boeing 747-8F
- Registry model: [Boeing 747-8F](https://openairdocs.org/model/boeing-747-8f) (OpenAirDocs)
- Aircraft serial: 64257
- Aircraft time: 29,966 hours, 4,379 cycles
- System (JASC): [2782 · Leading Edge Slat Actuator](https://openairdocs.org/jasc/2782)
- Part: Actuator
- Part number: 178800209
- Part serial: 59302
- Condition: Cracked
- Location: Zone 500 Slats
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026052990524

## Discrepancy

FOUND LT WING NR 5 INBD , NR 3 INBD , NR 10 OUTBD'S INBD V.C FLAP ROTARY ACTUATOR CORROSION AND NO.8 OUTBD'S OUTBD V.C FLAP ROTARY ACTUATOR COVER CRACK.  I.A.W AMM 27-81-07-404-008 REV.50 STEP 3.A TO 3.F.(2)(N) INSTALLED THE LH WING  NO.3 INBD SIDE, NO.5 INBD SIDE, NO.8 OUTBD'S OUTBD SIDE AND NO.10 OUTBD'S INBD SIDE ROTARY ACTUATOR.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.