Service difficulty report · Skin · Boeing 777224

Difficulty date
December 28, 2019
Submitted
January 6, 2020
Operation
Air carrier
Aircraft
N37018
Make and model
Boeing 777224
Aircraft serial
31680
Aircraft time
88,686 hours, 8,571 cycles
Part
Skin
Part number
148W43154
Condition
Corroded
Location
Fuselage
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

B777-53-3-7117 EMP- STA 2344.5-2370 RH INTERNAL SKIN STR 40R TO 43R SURFACE AREA FOUND CORROSION REFER TO NR LP:9131366 INTERIM REPAIR WAS ACCOMPLISHED ON HAECO NRC 9131366 IAW ECRA 53 31-02557. PER PART 1.2 OF THE ECRA, A DIP IS REQUIRED TO ACP INI TIAL INSP PRIOR TO 30,000 CYCLES, REPEAT INSP 16000 THEREAFTER. OK TO PLACE ON DIP PER ECRA 5331-02557, ACCOMPLISH INITIAL INSPECTIONS ON OR BEFORE THE AIRCRAFT REACHES 30,000 TOTAL FLIGHT CYCLES. PERFORM REPEAT INSPECTIONS AT INTERVALS NOT TO EXCEED 16,000 FLIGHT CYCLES THEREAFTER. TOMC-APPROVAL FROM SC1ELBYC COMMENT TOMC APPROVED : QC REVIEWED TOMC APPROVED : QC REVIEWED RECORDS UPDATE INIT: 30,000 TAFC (INIT WILL ITO TO RIR -0968) RIR: 16,000 FC...BK/245861