# SDR SWAA2022032168798
- 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): [5315 ยท Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Rail
- 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/SWAA2022032168798
## Discrepancy
ACB FLOOR RAIL CORRODED AT BS767+5'; RBL3 / [01] REMOVED CORROSION ON ACB FLOOR RAIL AT BS 767+5 RBL 3 IN AREA OF L=1' X W=3' D=.008' REMAINING THICKNESS =.055' FROM ORIGINAL THICKNESS .063' FOUND TO BE OUT OF LIMITS IAW SRM 53-60-53-01-2; SRM 53-00-53-1A-2 B (2) FIG 103 SRM 51-10-02; BAC 1509-100146;[02] REMOVED CORROSION ON ACB FLOOR RAIL AT BS 767+5 RBL 3 IN AREA OF L=1' X W=3' D=.008' REMAINING THICKNESS =.055' FROM ORIGINAL THICKNESS .063' FOUND TO BE OUT OF LIMITS IAW SRM 53-60-53-01-2; SRM 53-00-53-1A-2 B (2) FIG 103 SRM 51-10-02; BAC 1509-100146
TOOL USED
DEPTH GAUGE
ATS 2473
CAL DUE 07/2022;[03] VERIFIED CORRECTIVE ACTION 2;[04] VERIFIED APPLICABILITY FOR B737 PER SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2;[05] REMOVED DAMAGE IAW SRM 51-10-02.;[06] MATERIAL ID FOR CHANNEL FILLER: BAC1509-100146 7050-T76511 LOT 1459408-1 IAW SRM 53-00-53-2R-2; TABLE 203; ALTERNATIVE 3; FIGURE 203/REPAIR 2; DETAIL C.;[07] VERIFIED ACTION 4-6;[08] AFT CARGO BAY RAIL AT BS 767 +5' RBL 3 WAS REPAIRED ON CUSTOMER FAULT # TTG8Q00ANWSL;[09] VERIFIED CORRECTIVE ACTION 8.;[10] UPDATED MEASUREMENTS
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