# SDR SWAA2022050996560

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2022
- Submitted: May 9, 2022
- Operation: Air carrier
- Aircraft: [N927WN](https://openairdocs.org/aircraft/N927WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36889
- Aircraft time: 45,530 hours, 27,478 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Fwd Cargo
- 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/SWAA2022050996560

## Discrepancy

CORROSION ON FWD CARGO BAY AFT BULKHEAD L/H PANEL LOWER SUPPORT AT LBL 25 BS 500D. / [01] REMOVED CORROSION PER SRM 51-10-02. LOCATION AFT BULKHEAD LOWER RAIL; ORIGINAL PART THICKNESS PER SRM 53-30-08; BAC1517-2818 IS 0.071' FOUND WHITING LIMITS IAW SRM 53-30-08-1A-1. <BR><BR>OK TO APPLY CHEMICAL CONVERSION AND PRIMER.<BR><BR>TOOL USED: MICROMETER POINT GAUGE<BR> <BR>ID:ATS1672 <BR>SN:65092939 <BR>DUE:03/2023[10] LOCATED AN DRILLED NEW FWD CARGO BAY AFT BULKHEAD L/H PANEL LOWER SUPPORT LOCATED AT BS 500D LBL 25 IAW SRM 51-40-05 AND DWG 143A9481 1D:0014; REV: -<BR><BR>OK TO INSTALL.;[11] INSPECTED & VERIFIED CORRECTIVE ACTION ITEMS 9 & 10. OK TO INSTALL NEW FCB AFT BULKHEAD L/H PANEL LOWER SUPPORT LBL 25; BS 500D GIVEN. (AFT L/H BULKHEAD TRANSITION ANGLE);[12] INSTALLED NEW FCB AFT BULKHEAD L/H PANEL LOWER SUPPORT LBL 25; BS 500D (AFT L/H BULKHEAD TRANSITION ANGLE) IAW SRM 51-40-02-0G-0 AND DWG 143A9481 1D:0014; REV: -<BR><BR>APPLIED CIC ON AFT L/H BULKHEAD TRANSITION ANGLE IAW SRM 51-20-01.;[13] VERIFIED CORRECTIVE ACTION 12;[14] UPDATED MEASUREMENT

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