# SDR SWAA2022032168789

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2022
- Submitted: March 21, 2022
- Operation: Air carrier
- Aircraft: [N216WR](https://openairdocs.org/aircraft/N216WR), registered now
- Make and model: Boeing 737*
- Aircraft serial: 32488
- Aircraft time: 52,760 hours, 31,347 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Aft Cargo
- Stage of operation: UK
- 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/SWAA2022032168789

## Discrepancy

ACB LH FLOOR TO SIDEWALL SUPPORT CORRODED. LBL 21; BS767+3.5'; BS767+4'; BS767+4.75'; BS767+14.5'; BS767+18.'; BS787+3.5'; BS787+6.5'; BS787+10.5'; BS787+18.5' / [01] SRM 53-00-53-1A-2 IS FOUND TO BE APPLICABLE;[02] EVALUATED CORROSION ON ACB LH FLOOR TO SIDEWALL SUPPORT LBL 21 AT ; BS 767+3.5 L='X.7W=.5'XD=.002'; BS 767+4 L=1'XW=.7'XD=.002'; BS 767+4.75 L=.6'XW=.4'XD=.002'; BS 767+14.5 L=1'XW=.8'XD=.010'; BS 767+18 L=.7'XW=.5'XD=.002'; BS787+3.5 L=.5'XW=.5'XD=.002'; BS 787+6.5 L=1.4'XW=.4'XD=.002'; BS787+10.5 L=.8'XW=.7'XD=.001'; BS 787+18.5 L=.5'XW=.3'XD=.001'. FOUND TO OUT OF LIMITS. REMAINING THICKNESS OF .030' OF ORIGINAL THICKNESS .040' IAW SRM 53-60-53-0I-2 AND SRM 53-00-53-1A-2 <BR><BR>DIAL DEPTH GAUGE USED; ID:ATS2677 DUE:11/2022;[03] VERIFIED CORRECTIVE ACTION ENTRIES 1. AND 2.;[04] GENERAL FAULT RESOLVED ON OTHER FAULT(FAULT WAS RESOLVED ON ANOTHER FAULT) REF:TTG8Q00ANTY3;[05] VERIFIED CORRECTIVE ACTION 4.;[06] UPDATED MEASUREMENT CHART;[07] FIXED MEASUREMENT CHART

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