# SDR DALA2023120810053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2023
- Submitted: December 8, 2023
- Operation: Air carrier
- Aircraft: [N723TW](https://openairdocs.org/aircraft/N723TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 29378
- Aircraft time: 84,483 hours, 21,095 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/DALA2023120810053

## Discrepancy

SHIP 6817 LH ENG DRAG FTG CLAMP-UP: HOLE #12 CORROSION ON SKIN AND FITTING BTW 9 AND 11 CLOK POSITION, IN REFERENCE TO JOB 165-0001 CARD 5720-01100-05A. CORRECTIVE ACTION: SUMMARY OF NRC 00498: HOLE #12 WAS REAMED UP TO DIAMETER OF 0.5784 INCH AND HFEC INSPECTION WAS PERFORMED IN HOLE #12. NO CRACKS AND CORROSION WERE FOUND PER AMDS 5720- 01100-05A. (0096991)

---
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.
