# SDR SWAA2022092220225

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2022
- Submitted: September 22, 2022
- Operation: Air carrier
- Aircraft: [N8656B](https://openairdocs.org/aircraft/N8656B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42530
- Aircraft time: 24,599 hours, 11,090 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Defective
- Location: Fuselage
- 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/SWAA2022092220225

## Discrepancy

ANOMALY ON EXTERNAL FUSELAGE SKIN BS858 - BS887 S-4R - S-10R. MARKED. / [01] PERFORMED CLAD PENETRATION TEST IN SEVERAL LOCATIONS ON SKIN PANEL BS 858 TO 887 S-4R TO S-10R LISTED BELOW PER SRM51-10-07-0G-0 PARA. 5D-E<BR><BR>1) BS 867+5.5' 3.5' BELOW STR 9R<BR>2) BS 867+12.5' 2.5' BELOW STR 7R<BR>3) BS 867+13.5' 4.5' ABOVE STR 6R<BR>NO SIGNS OF PENETRATION THROUGH THE CLAD;[02] VERIFIED CORRECTIVE ACTION ITEM 1;[03] EVALUATED FUSELAGE SKIN ANOMALIES AT <BR><BR>BS 847+13'; 6.5' BELOW STR 9R; D=0.001'<BR>BS 867+14.5'; 2' BELOW STR 9R; D=0.001'<BR>BS 858+4'; 3.7' ABOVE STR 9R; D=0.001'<BR>BS 867+5.3'; 2' ABOVE STR 9R; D=0.0015'<BR>BS 867+13'; 3'BELOW STR 8R; D=0.0008'<BR>BS 887; 3' ABOVE STR 9R; D=0.002'<BR>BS 867+4.5'; 4.5' ABOVE STR 8R; D=0.008'<BR>BS 867+14.5'; 4.3' ABOVE STR 8R; D=0.001'<BR>BS 867+0.5'; 4.5' ABOVE STR 7R; D=0.0005'<BR>BS 867+17'; 3' ABOVE STR 7R; D=0.0007'<BR>BS 867+19'; 2' BELOW STR 5R; D=0.001'<BR>BS 867+19'; 4 ABOVE STR 5R; D=0.001'<BR><BR>IAW SRM 53-00-01-1A-1;[04] REMOVED ANOMALY AT BS 887; 3' ABOVE STR 9R; DID NOT PENETRATE THROUGH CLAD FOUND TO BE INLIMITS PER SRM 53-00-01-1A-1 ;PERFORMED CLAD PENETRATION TEST AT BLENDED AREA ON SKIN PANEL BS 858 TO 887 S-4R TO S-10R LISTED BELOW PER SRM51-10-07-0G-0 PARA. 5D-E;NO SIGNS OF PENETRATION THROUGH CLAD;[05] CORRECTION TO STEP 4 WORDS LISTED BELOW ARE NOT REQUIRED;[06] VERIFIED CORRECTIVE ACTIONS3-5;[07] SKIN PANEL TO BE REPLACED ON FAULT TTG8Q00CRFB6;[08] VERIFIED CORRECTIVE ACTION 7

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