Service difficulty report · Skin · Boeing 767322

Difficulty date
August 16, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N673UA
Make and model
Boeing 767322
Aircraft serial
29241
Aircraft time
75,712 hours, 15,940 cycles
Part
Skin
Part number
112T47023
Condition
Cracked
Location
Lt Wing
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHILE ACCOMPLISHING EA5725-01003 (ORIGINAL REV)OP05 PREVENTIVE M OD.1EA CODE A FASTNERER HOLE AND 1EA CODE B FASTENER HOLE ARE FO UND CRACKED ON LHW#2 LOWER MACHINE SKIN P/N 112T4702-3 AS SHOWN IN FIG 1. THE CRACK LENGTHS ARE OUT OF DWG 767-9470 SH1 REPAIR L IMIT FOR CODE A AND B FASTNERS HOLES. THIS ECRA PROVIDES INTERI M REPAIR INSTUCTION THAT WERE ACCOMPLISHED. ACCOM. INITIAL INSPECTIONOF PART 2 OF THE LATEST REV. OF EC5725- 01085 ON OR BEFORE THE AIRCRAFT REACHES 107,711 TOTAL FLIGHT HOU RS OR 27,940 TOTAL FLIGHT CYCLES, WHICHEVER OCCURS FIRST. PERFOR REPEAT INSPECTION AT INTERVALS NOT TO EXCEED 32,000 FLT HOURS OR 12,000 FLIGHT CYCLES, WHICHEVER OCCURS FIRST PER ECRA 5725-01085 ACP INITIAL INSPECTIONS PER PART 2 ON OR BEFORE THE ACFT REACHES 107,711 FLIGHT HOURS OR 27,940 CYCLES, WHICHEVER COMES FIRST. PERFORM REPEAT INSPECTION AT INTERVALS NOT TO EXCEDD 32,000 FLIGHT HOURS OR 12000 CYCLES WHICHEVER COMES FIRST. TOMC-APPROVAL FROM SC1ELBYC COMMENT TOMC APPROVED : QC REVIEWED TOMC APPROVED : QC REVIEWED RECORDS UPDATE INIT: 107,711 TAFH OR 27,940 TAFC WHICHEVER OCCURS FIRST WILL AUTO ITO TO RIR (-0265) RIR: 32,000 FH OR 12,000 FC WHICHEVER OCCURS FIRST ...RJS