Service difficulty report · Skin · Boeing 777300ER

Difficulty date
October 17, 2024
Submitted
October 22, 2024
Operation
Air carrier
Aircraft
N2150
Make and model
Boeing 777300ER
Aircraft serial
66590
Aircraft time
20,767 hours, 2,426 cycles
Part
Skin
Part number
147W135110
Condition
Damaged
Location
Zone 200
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

REF LOG PAGE 9352203 AND ENGINEERING REQUEST REMOVE PAINT AND BLIND FASTENER AT PREVIOUS LIGHTNING STRIKE REPAIR STATION 2018. REMOVED PAINT, BLIND FASTENER AND CREATED GRID MAP STA 2018 REF CONFIRMED HOLE SIZE IS .199" MEASURED DISTANCES FROM FRAMES AND STRINGERS FOUND DAMAGE IN ARE AROUND LIGHTNING STRIKE REPAIR FASTENER DAMAGE POSITION STA 2018.5 AND 4.0" OB FOR STR 1 RH. INSIDE VIEW OF REPAIR AREA AT STA 2017, STR 1 RH REMOVED DAMAGE REF SRM 51-10-02 SRM 51-40-02 HOLE. NO CRACKS FOUND. REF SKIN THICKNESS MEASURED 0.082". SKIN THICKNESS PLUS PAD-UP REMOVED FASTENERS REF. SRM 51-40-02 TOOK DAMAGE CUTOUT TO FINAL SIZE REFERENCING SRM 53-00-01-2R REQUEST: HFEC INSP OF FINAL REPAIR CUTOUT REF SRM. REQUEST: OPEN HOLE INSPECTION ON ALL HOLE COMMON TO REPAIR. REF REPAIR. NDT PART 6 51-00-01 PROC 2. 0.098".SHEAR TIE HOLES MEASURES FROM LEFT TO RIGHT 0.223", REPAIR 7. WIDTH 1.3 X LENGTH 1.1 53-00-01-2R-7 REPAIR 7 ITEM 4 B. (2) AND NDT PART 6 51-00-01 SRM 53-00-01-2R-7 REPAIR 7 ITEM 4 B. (2) AND NDT PART 6 0.223", 0.219", 0.219", AND 0.218". 51-00-02. PERFORMED HFEC INSP OF FINAL REPAIR CUTOUT REF SRM PERFORMED OPEN HOLE INSPECTION ON ALL HOLE COMMON TO REPAIR. REF REMEASURED SKIN POCKET. CONFIRMED TO BE .082 THICK. ROUGH CUT ACCOMPLISHED FASTENER LAYOUT AND PILOT ALL FIELD FASTENERS REF 53-00-01-

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