# SDR CALA2022030900621

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2022
- Submitted: March 9, 2022
- Operation: Air carrier
- Aircraft: [N38403](https://openairdocs.org/aircraft/N38403), registered now
- Make and model: Boeing 737900
- Aircraft serial: 30120
- Aircraft time: 56,942 hours, 23,534 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Floorbeam
- Part number: NA
- Condition: Corroded
- Location: Rbl 45-60
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022030900621

## Discrepancy

FLOOR BEAM BS986 HAS CORROSION RBL 45 TO 60 AND LBL. AAR RFD NR 99920522 REMOVED T CHORD AND REPAIRED ON BS986.5 IAW B737-900 SRM 53-70-5 1-2R REP 4 STEP 4 TABLE 201 (WORK ACCOMPLISHED BY AND AA R QC

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