Service difficulty report · Skin · Boeing 777300ER

Difficulty date
July 5, 2023
Submitted
July 7, 2023
Operation
Air carrier
Aircraft
N2645U
Make and model
Boeing 777300ER
Aircraft serial
64989
Aircraft time
22,801 hours, 2,553 cycles
Part
Skin
Part number
141W23157
Condition
Damaged
Location
Fwd Cargo Door
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

RAMP REPORTED DAMAGE (GAUGE) ABOUT 5" FWD FOR THE FWD CARGO AT THE LAP SEEM. CORRECTION, DAMAGE IS 5 FEET FORWORD OF THE FORWARD CARGO DOOR. DAMAGE IS 66.5" FWD OF FWD CARGO DOOR CUTOUT BETWEEN STATIONS REMOVED FASTENERS ON SKIN LAP AND STRINGER JUST BELOW. CUT OUT DAMAGE MEASURES 2.90 UP AND DOWN, 2.70 FWD AND AFT. ACP HFEC ROTO INSP. OPEN HOLES REF NTM 51-00-00-16 P6 AND HFEC STA 424R AND STA 445R, BETWEEN S-34R AND S-35R. MEASUREMENTS REMOVED DAMAGED SKIN MEASURES .073 THICK. EXISTING FASTENER ON DAMAGED CUT OUT REF NTM 51-00-00-23 P 6 NO CRACKS FOUND REF ARE (LXWXD) = 2.75"X 3.00" X .205". TOP OF GOUGED IS 0.075" HOLES CLEANED READY FOR NDT REF AVO 10943 REF AVO 10943 AWAY FROM BOTTOM EDGE OF SKIN LAP. ADD EMP:U119002 ACCOMPLISHED .040 INSURANCE CUT ON DAMAGE REMOVED AREA REMOVED 6 EA ADDITIONAL FASTENERS, 3 EA FROM THE AFT SIDE AND 3 ACP''D ROTO PROBE INSP ON 6 EACH REMOVED FASTENER HOLES PER NDT PILOTED HOLE PATTERN, PRELIMINARY CUT DOUBLERS 1 AND 2 AND EA FROM THE FWD SIDE OF SKIN LAP PER AVO 10943, FIGURE 5. PT6 51-00-02, NO CREACK INDICATIONS NOTED. ROLLED TO CONTOUR. REF AVO 10943. COMPLETED LAY OUT PATTERN OF FASTENERS. MANUFACTURED UPPER AND VERIFIED P,O, NUMBER ON DOUBLER 2024 T-3 CLAD. .100 THICK. P.O. TREATED AND PRIMED REPAIR DOUBLERS REF SRM 53-00-01 REPAIR 13 HARDWARE WEIGHS 1.68 LBS, DOUBLERS WEIGH 2.85LBS FOR A TOTAL OF MANUFACTURED AND INSTALLED COUNTERSUNK FILLER WASHERS AT INITIAL DOUBLER READY TO INSTALL. LOWER DOUBLERS FROM 2024 T-3 CLAD. .100 TH

More about the Boeing 777-300ER