# SDR CALA2021040100407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2021
- Submitted: April 1, 2021
- Operation: Air carrier
- Aircraft: [N77867](https://openairdocs.org/aircraft/N77867), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32592
- Aircraft time: 59,503 hours, 17,360 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 141N51221
- Condition: Corroded
- Location: Bs 365.25
- 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/CALA2021040100407

## Discrepancy

B757-53-3-0553 FLOOR BEAM BS 365.25 BL 0 - RBL 60 HAS CORROSION REF HAECO GSO NR 9281269 REPAIRED FLOOR BEAM AT BS 365.25 LBL 10 - RBL 70 PR B757 SRM 53- 00-51 REPAIR 8 AND UAL EC/RA 5315-01159 REF HAECO GSO NR 9281269 HAECO GSO MECH V900579 INSP QC418 V901877

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.