Service difficulty report · Skin · Boeing 777224

Difficulty date
September 2, 2019
Submitted
September 6, 2019
Operation
Air carrier
Aircraft
N78004
Make and model
Boeing 777224
Aircraft serial
27580
Aircraft time
102,567 hours, 10,342 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

CORROSION FOUND IN HORIZONTAL STABILIZER COMPARTMENT STA 2344.5 TO STA 2358 FROM STRINGER 40R-43R. ACCOMPLISH INSPECTIONS PER ECRA 5331-02445 PART 2 BEFORE THE ACF T COMPLETES 30,000 TOTAL FLIGHT CYCLES. REPEAT INSPECTIONS AT INTERVALS NOT TO EXCEED 16,000 CYCLES THEREAFTER. OK TO DIP CORROSION FOUND IN HORIZONTAL STABILIZER COMPARTMENT STA 2344.5 TO STA 2358 FROM STRINGER 40R-43R. INTERIM REPAIR C/W AND ACCOMP INSPECTIONS PER ECRA 5331-02445 PART 2 BEFORE AIRCRAFT COMPLETES 30,000 TOTAL FLIGHT CYCLES, REPEAT INSPECTIONS AT INTERVALS NOT TO EXCEED 16,000 FLIGHT CYCLES THEREAFTER PER ECRA 5331-02445 TOMC-APPROVAL FROM SC1ELBYC COMMENT INSPECTED BY HX203141. HORIZ STAB COMPT FUSELAGE SKIN AT STA 2344-2358 BETWEEN STR-40R AND STR-43R INTERIM REPAIRED AS PER EC/RA NR.5331-02445 REV-PART 1, ACCOMPLISH INSPECTIONS PER EC/RA NR.:5331-02445 REV-PART2, FORM44-0008 ATTACHED, ITEM 1 TO ITEM 28 ACCOMPLISHED. QC REVIEWED. RECORDS UPDATE. QC REVIEWED. INIT: 30,000 TAFC (INIT WILL ITO TO RIR -0948) RIR: EVERY 16,000 FC.