# SDR SWAA2024090517336

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2024
- Submitted: September 5, 2024
- Operation: Air carrier
- Aircraft: [N494WN](https://openairdocs.org/aircraft/N494WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33868
- Aircraft time: 65,251 hours, 39,171 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Condition: Debonded
- Location: Zone 500 Flap
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024090517336

## Discrepancy

CUSTOMER REQUEST - DEBONDED OB AFT FLAP UPPER SURFACE AT LT WING 2024-472961<[01] TOOL USED: CALIPER P/N: 500-197-30 S/N: A18229508 DUE DATE: 14-JAN-25.;[02] TOOL USED: CALIPER P/N: 500-464 S/N:B17030933 DUE DATE: 07-NOV-24.;[03] ON STEP 4; TOOL USED: AUDIBLE BOND TESTER ; PN: S-3; SN: 064; DUE DATE: 11-AUG-24;[04] TOOL USED; HOT BONDER PN: HCS9200B-AV; SN: 18196126; DUE DATE: 03/APR/25.;[05] TOOL USED POSITECTOR P/N: POSITECTOR 6000 NS3; S/N: 767584; DUE DATE: 21-AUG-24.;[06] ON STEP 21; TOOL USED P/N: BONDMASTER 600M; S/N: 230106912; CAL DUE: 09-JAN-25.;[07] ON STEP 22; TOOL USED P/N: BONDMASTER 600M; S/N: 230106912; CAL DUE: 09-JAN-25.;[08] PERFORMED INTERIM REPAIR ON OB AFT FLAP UPPER SURFACE AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16 AND THE REPAIR REQUIRED TAP TEST INSPECTION EVERY 6;875 CYC OR 30 MONTHS. SEE INDIVIDUAL SIGN OFF BELOW.;[09] JOB TASK COMPLETED. RII INSPECTION COMPLETED.

---
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.