# SDR CALA2016071195557

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2016
- Submitted: July 11, 2016
- Operation: Air carrier
- Aircraft: [N105UA](https://openairdocs.org/aircraft/N105UA), registered now
- Make and model: Boeing 747451
- Aircraft serial: 26473
- Aircraft time: 88,208 hours, 10,131 cycles
- Engine: Pwa PW4056
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Damaged
- 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/CALA2016071195557

## Discrepancy

LEFT LOWER SIDE OF L2 DOOR SCRATCHED WITH A PUNCTURE INTO ACFT SKIN.   FOUND CRACK BS 720 TO 740 STRINGERS 26-27L AREA TEMP REPAIRED ACC SRM 53-00-01 PG102 ALLOW DAMA GE 2 CHART AREA D REV 97. CRACK STOP HOLES DRILLED OUT, RIVETS REPLACED BY FASTENER AND COVERED WITH HST. NDT INSPECTION PERF AC C 51-00-00 P6 PROC 4 REV 152

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