# SDR 2005UALA00677

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2005
- Submitted: July 26, 2005
- Operation: Air carrier
- Aircraft: [N542UA](https://openairdocs.org/aircraft/N542UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 25276
- Aircraft time: 46,624 hours, 17,061 cycles
- Engine: Pwa PW2037
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Condition: Corroded
- Location: Fuselage
- 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/2005UALA00677

## Discrepancy

KEEL BEAM CORROSION. EXT CHORD BS 1180 TO 1176, APPROXIMATELY  6 LBL TO 6 RBL.    REMOVE CORROSION AND CK LIMIT PER SRM 53-30-12. ORIGINAL THICKNESS=.130", AFTER REPAIR THI CKNESS=.124", LOSS OF MATERIAL IS WITHIN LIMIT PER SRM 53-30-12

---
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.