# SDR SWAA2024072404678

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2024
- Submitted: July 24, 2024
- Operation: Air carrier
- Aircraft: [N252WN](https://openairdocs.org/aircraft/N252WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34973
- Aircraft time: 59,332 hours, 35,662 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Zone 200
- 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/SWAA2024072404678

## Discrepancy

CORROSION ON LH Z ANGLE NEAR F.E.D MOP SILL BS 344; LBL 62; WL 208.<[01] REMOVED CORROSION ON ZEE CHORD ANGLE AT DISCREPANCY AREA: L = 1'; W= 1'; MAX. MATERIAL LOSS= 0.004'; WAS FOUND WITHIN LIMIT PER SRM 53-10-15-1A-1; STEP 4.C(2)A; FIG. 108; DETAIL D.<BR><BR>TOOL USED:<BR>ID: ATS2472<BR>DUE: 12/2024; APPLIED CHEMICAL CONVERSION COATING AND TWO LAYERS OF BMS 10-11; TYPE I PRIMER ON ZEE CHORD ANGLE I.A.W SRM 51-20-01 AND SOPM 20-41-02.

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