Service difficulty report · Skin · Boeing 777222

Difficulty date
November 22, 2023
Submitted
December 6, 2023
Operation
Air carrier
Aircraft
N782UA
Make and model
Boeing 777222
Aircraft serial
26948
Aircraft time
106,718 hours, 14,165 cycles
Part
Skin
Part number
143W23413
Condition
Cracked
Location
Sta1035
Stage of operation
IN
How discovered
O
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

SUPPORT TASK - EA5310-06900 REV.D OP 014 STEP 21.3, 1EA CRACK WAS FOUND APPROX 0.125" IN LENGTH AT FUSELAGE SKIN SURFACE AT 2 O''CLOCK POSITION. TRANSFER REF.NON-ROUTINE HX NRC WO.2405692 AND . REVISION OF ECRA 5331-03067 PART 2 ON OR BEFORE REACHING 22,165 4,000 FLIGHT CYCLES THEREAFTER. TOTAL FLIGHT CYCLES. REPEAT INSPECTONS AT INTERVAL NOT TO EXCEED GENERATING DIP TO INSPECT FUSELAGE SKIN REPAIR ACCOMPLISHED IN THIS ECRA IN THE AREA OF S37R AND FWD OF STA 1035 PER LATEST OK TO DIP REPAIR BYS37R AND FWD OF STA1035;INSPECT FUSELAGE SKIN TOMC-APPROVAL FROM SC1ELBYC COMMENT REPAIR ACCOMPLISHED BY THIS EC/RA IN THE AREA OF S37R AND FWD OF STA1035 PER LATEST REVISION OF ECRA 5331-03067 PART 2 ON OR BEFORE REACHING 22,165 TOTAL FLIGHT CYCLES. REPEAT THE INSPECTIONS AT INTERVAL NOT TO EXCEED 4,000 FLIGHT CYCLES, THEREAFTER. PER ECRA 5331-03067 PERFORMED INTERIM REPAIR TO 1EA CRACK FOUND APPROX 0.125" IN QC LENGTH AT FUSELAGE SKIN SURFACE AT 2 O''CLOCK POSITION PER HAECO-HKG RI-53-00-16542A AND ECRA 5331-03067 RECORDS UPDATE QC REVIEWED. INIT: 22165 TAFC INIT WILL AUTO ITO TO RIR -0442 RIR: 4000 FC THEREAFTER...SN