# SDR VGQY2010120300131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2010
- Submitted: December 7, 2010
- Operation: Air carrier
- Aircraft: [N815SA](https://openairdocs.org/aircraft/N815SA), registered now
- Make and model: Boeing 747-2L5B
- Registry model: [Boeing 747-2L5B](https://openairdocs.org/model/boeing-747-2l5b) (OpenAirDocs)
- Aircraft serial: 22107
- Aircraft time: 96,368 hours, 19,493 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65B10538151
- Part serial: UNKNOWN
- Condition: Corroded
- Location: Zone 100
- 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/VGQY2010120300131

## Discrepancy

ACFT WAS IN FOR A HEAVY 'D' TRANSITION CHECK). CORROSION WAS FOUND ON INBD FLANGE OF LOWER CHORD.  PN 65B10538-151, OTBD OF NR1 ACM BETWEEN STA 1020-1030, LBL 60-80/ AIR-CON PANELS NR191AL & NR191BL SUPPORT FRAME.  CORROSION REMOVED AS PER SRM 51-10-01 REV 117.  MATERIAL ORIGINAL THICKNESS= 0.100",  MATERIAL REMOVED: L= 3" X 1.5", D= 0.047" FOUND EXCEEDED LIMITS PER SRM 55-10-01 REV 117.  COMPLIED WITH EN 1160-10, REPAIR FOR CORROSION ON INBAORD FLANGE OF LWR CHORD 65B10538-151 AT STA 1003 LBL 57.  INSPECTION REQUIREMENTS AND LIMITATIONS:  IN ACCORDANCE WITH AIRCRAFT MAINTENANCE PLANNING DATA AT EVERY 'C'-CHECK"

---
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.