# SDR CALA2026020413580

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2026
- Submitted: February 4, 2026
- Operation: Air carrier
- Aircraft: [N660UA](https://openairdocs.org/aircraft/N660UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27115
- Aircraft time: 126,922 hours, 19,437 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- 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/CALA2026020413580

## Discrepancy

ETOPS PREDEPARTURE SERVICE CHECK PROCEDURE,  AFT WASTE SYS VACUUM BLOWER VENT PORT HAS AREA WITH SKIN BULGE AND POSSIBLE CORROSION. . CUT-OUT OF CORRODED SKIN, HFEC OF CUT-OUT , & MATERIAL VERFICATION WERE ACCOMPLISHED. IAW SRM 53-60-01-2R-3. VERIFIED HFEC OF VACUUM BLOWER VENT CUTOUT REPAIR PARTS.  OK TO CONTINUE WITH REPAIR. FABRICATED DOUBLER & TRIPLER, PICKED UP HOLES & COUNTERSUNK HOLES IAW SRM 53-60-01-2R-3, STEP E- I.  STEPS E - I  (FILLER). COMPLETED FABRICATION OF REPAIR PARTS IAW SRM 53-60-01-2R-3, STEPS E THROUGH I.  ALODINED, & APPLIED BMS 10-79, TYPE III PRIMER IAW SRM 53-60-01-2R-3, STEPS J, K & M.  INSTALLED COUNTERSINK REPAIR WASHERS WITH BMS 5-95 ADHESIVE IAW SRM 53-60-01

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