# SDR CALA2026052616534

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2026
- Submitted: May 27, 2026
- Operation: Air carrier
- Aircraft: [N66057](https://openairdocs.org/aircraft/N66057), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29452
- Aircraft time: 94,706 hours, 13,268 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Flap System
- Condition: Indication
- Stage of operation: CL
- 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/CALA2026052616534

## Discrepancy

TE FLAP DISAGREE FOLLOWED CHECKLIST PERFORMED FSEU BITE TEST PER FIM 27-51 FAULT TREE 809 FOUND MSG 27-81045. PERFORMED BITE TEST ON PSEU PER FIM TASK 32-09 FAULT TREE 803, FOUND FAULT CODE 297 FOR R SLAT #9 OUTB. FLAPS DO NOT MOVE UP IN NORMAL MODE RECONFIGURED F/D TO NORMAL AND OPERATED FLAPS AND SLATS HYDRAULICALLY, OPS AND INDICATIONS CHECK GOOD WITH NO TE DISAGREE AT ANY TIME. PERFORMED BITE OF FSEU PER FIM 27-51 FAULT TREE 809, NO EXISTING FAULTS AND ONLY FAULT ON LEG -0 WAS ALT UP DISAGREE DUE TO ALT FLAPS BEING SELECTED. CHECKED FLAP CONTROL CABLE WFA AND WFB TENSIONS PER AMM 27-51-00-825-001. AT CURRENT TEMP, CABLES SHOULD BE BETWEEN 57 AND 67 LBS (RECOMMENDED TO BE RIGGED TO THE HIGH SIDE), BUT ARE READING BELOW TOLERANCE AT 43LBS. FLAP CONTROL CABLE WFA AND WFB REQUIRE ADJUSTMENT. ADJUSTED FLAP CONTROL CABLE WFA AND WFB BACK WITHIN TOLERANCE AND TO THE HIGH SIDE OF THE LIMIT PER AMM 27-51-00-825-001. OPS CHECKS GOOD. OK TO CONTINUE. RII CW ON WFA AND WFB CABLE TENION PER AMM 27-51-00-825-001. OK TO CONTINUE. CHECKED FLAP CONTROL CABLE WFA AND WFB TENSIONS PER AMM 27-51-00 -825-001. AT CURRENT TEMP, CABLES SHOULD BE BETWEEN 57 AND 67 LB S (RECOMMENDED TO BE RIGGED TO THE HIGH SIDE), BUT ARE READING B ELOW TOLERANCE AT 43LBS. FLAP CONTROL CABLE WFA AND WFB REQUIRE ADJUSTMENT. ADJUSTED FLAP CONTROL CABLE WFA AND WFB BACK WITHIN TOLERANCE AND TO THE HIGH SIDE OF THE LIMIT PER AMM 27-51-00-825 -001. OPS CHECKS GOOD. OK TO CONTINUE.

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