# SDR SWAA2020052142642

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2020
- Submitted: May 21, 2020
- Operation: Air carrier
- Aircraft: [N922WN](https://openairdocs.org/aircraft/N922WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32461
- Aircraft time: 41,140 hours, 24,679 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: BAC1496444
- Condition: Corroded
- Location: Fuselage
- 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/SWAA2020052142642

## Discrepancy

FORWARD CARGO COMPARTMENT; LH Z-ANGLE HAS CORROSION AROUND FASTENER HOLES; BS: 420 TO 480+10; LBL: 24; WL: 155. / REMOVED L/H Z ANGLE CORROSION IAW SRM 53-00-53-1A2 VERIFIED WITH 10X MAGNIFY GLASS NO DEFECT NOTED; MATERIAL LOSS AND LIMIT; MEASURED .008' ALLOWED .004' LOSS OUT OF LIMIT IAW SRM 53-00-53-1A-2 FIG 103 SHEET 2 (D) AAR TOOL #29629 DUE 6/26/20 REMOVED L/H Z ANGLE IAW SRM 51-40-02-0G-0 VERIFY MATERIAL; VERIFIED MATERIAL IAW SRM 53-00-53-2R-5 P/N BAC1496-444 7075-T6 CLAD TAG 1 A21660 A21661; LOCATED AND DRILLED HOLES IAW SRM; 51-40-05-0G-0; TREATED AND PRIMED IAW SRM 51-20-01-0G-0; INSTALLED L/H 2 ANGLE IAW SRM- 51-40-05-0G-0 APPLIED CIC IAW SRM 51-20-01-0G-0 P/N 143A7501-183

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