As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING SYSTEM 1 HYDRAULIC LINE HAS LOOSE B-NUT WHERE IT PASSES THRU SPAR LL WING BOX AREA. REMOVED HYDRAULIC SYSTEM NR 1 LINES WHERE THEY PASS THRU SPAR 3 NEAR RIB 4 AT WING BOX AREA. REMOVED DAMAGE TO SPAR 3 BY DRILLING. FABRICATED BUSHING AND INSTALLED. REINSTALLED HYDRAULIC LINES. REF E175 SRM 57-50-05 AND SEE EAMS W/O H5690 SEQ 5506 SN 386 FOR WORK DETAILS.