# SDR SWAA2024011632047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2023
- Submitted: January 16, 2024
- Operation: Air carrier
- Aircraft: [N455WN](https://openairdocs.org/aircraft/N455WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32462
- Aircraft time: 64,648 hours, 38,599 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap
- Part number: UNKNOWN
- Condition: Debonded
- Location: Zn 500 Left Wing
- 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/SWAA2024011632047

## Discrepancy

LT WING O/B AFT FLAP I/B END LOWER SKIN AT T/E IS DISBONDED.<[01] REMOVED AND REPLACED LT. WING O/B AFT FLAP IAW AMM 27-51-22-000-801 & AMM 27-51-22-400-801 STEPS 3F(4). TORQUES AND SAFETIES VERIFIED.<BR><BR>CAL TOOLING:<BR> ID DD<BR>ATS2327 10/2024<BR>E11413 06/2024;[02] VERIFIED CORRECTION ACTION ITEM 1; MEASUREMENT TABLE; TORQUES AND SAFETIES; ADJUSTMENT CHECK DUE.;[03] INSTALLED AND TORQUED AFT FLAP ASSY TO RODS IAW AMM 27-51-22-400-801 STEPS 3F(5)<BR><BR>ID:PER2108<BR>DUE:6/24;[04] VERIFIED CORRECTIVE ACTION ITEM 3 COMPLETE.;[05] LT WING O/B AFT FLAP ADJUSTMENT CHECK IS GOOD IAW MM 27-51-22-400-801 STEP 3.G.; 3.H.(1)<BR>TASK IS COMPLETE;[06] VERIFIED ITEM 5.;[07] VERIFIED RII ITEM 5. LT WING O/B AFT FLAP ADJUSTMENT CHECK IS GOOD IAW MM 27-51-22-400-801 STEP 3.G.; 3.H.(1)<BR>TASK IS COMPLETE;[08] LT WING O/B AFT FLAP REMOVED; REPLACED; & ADJUSTED IAW AMM 27-51-22-400-801.

---
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.