# SDR SWAA2025050622022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2025
- Submitted: May 6, 2025
- Operation: Air carrier
- Aircraft: [N941WN](https://openairdocs.org/aircraft/N941WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36647
- Aircraft time: 50,295 hours, 30,868 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Condition: Debonded
- Location: Zone 600 Flap
- 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/SWAA2025050622022

## Discrepancy

DEBONDED EXTERNAL SKIN OB AFT FLAP IB EDGE AT RT WING. 2025-243970<[01] TOOL USED CALIPER PN: 500-197-30; SN: B20189334; DUE DATE: 26/JAN/26.;[02] TOOL USED STEP 3: ULTRASONIC EQUIPMENT; P/N: BONDMASTER 600M; S/N: 230106912; DUE DATE: 05 FEB 2026.;[03] TOOL USED POSITECTOR PN: NS2; SN: 110098; DUE DATE: 05/SEP/25. <BR>TOOL USED: HOT BONDER PN: HCS9200B; SN: 8185847; DUE DATE: 01/OCT/25;[04] TOOL USED; HOT BONDER PN: HCS9000B-AV; SN: 18247194; DUE DATE: 08-OCT-25.;[05] EQUIPMENT P/N BONDMASTER 600M; S/N 230106912; DUE DATE 05-FEB-2025 WAS USED ON STEP 19;[06] REPAIRED EXTERNAL SKIN OB AFT FLAP IB EDGE AT RT WING. IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16. SEE INDIVIDUAL SIGNOFFS BELOW.;[07] EQUIPMENT P/N BONDMASTER 600M; S/N 230106912; DUE DATE 05-FEB-2026 WAS USED ON STEP 19;[08] EQUIPMENT P/N BONDMASTER 600M; S/N 230106912; DUE DATE 05-FEB-26 WAS USED ON STEP 19;[09] REPAIRED EXTERNAL SKIN OB AFT FLAP IB EDGE AT RT WING. IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16. SEE INDIVIDUAL SIGNOFFS BELOW. TASK COMPLETED;[10] RII COMPLETED

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