Service difficulty report · Skin · Boeing 777300ER

Difficulty date
September 4, 2026
Submitted
September 9, 2026
Operation
Air carrier
Aircraft
N2639U
Make and model
Boeing 777300ER
Aircraft serial
62650
Aircraft time
40,335 hours, 4,399 cycles
Part
Skin
Part number
00060431786
Condition
Dented
Location
Zone 100
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

ON WALK AROUND FOUND DENT FWD OF EXT POWER DOOR.DENT IS IN SECTION 41, BS 276. DENT MEASURES 1.5INCH IN LENGTH, .5INCH WIDTH & .040 INCH DEEP. L/Y IS 33.33 ACP,D HFEC INSP NO CRACKS IAW NTM 51-00-00-23, PART 6. SKIN IS DENTED IN 0.105 IN. WITH .002 MATERIAL LOSS. REWORKED & BLENED DAMAGE AREA. L=3.2 W=3.0 Y=.095 L/Y =31 WITH IN LIMITS IAW SRM 53-00-01. MATERIAL LOSS ACP 777 UT (4) 51-00-10 PROCEDURE 1. ACCOMP HFEC(6) 51-00-02 PROCEDURE 2. NO CRACKS AT GOUGE BLENDOUT. CUT OUT EXISITING DAMAGED & EXISITING FASTERNERS READY TO BE NDT & SRM 53-00-01-2R-7 ACP HFEC (6) 51-00-01 PROCEDURE NR 2 NO CRACKS AT CUTOUT AND DOUBLER AREA. ACCOMP HFEC OPEN HOLE (6)51-00-02 PROCEDURE NR 2 ON EXISTING FASTNER HOLES. NO CRACKS. ACP DVI ON INTERNAL AND EXTERNAL STRUCTURE NO DAMAGE. PILOT DRILLED & SHAPED DOUBLER IAW SRM 53-00-01-2R-7. MANUFACTURED REPAIR DOUBLER, DRILLED REPAIR FASTENER HOLES TO 0.250 INCH, TRIM REPAIR DOUBLER AND MADE FILLER IAW SRM 53-00-01-2R-7. INSTALLED COUNTERSINK REPAIR WASHERS IAW SRM 53-00-01-2R-7, CHAMFERED DOUBLER, FINAL SIZE EXISTING FASTENERS TO -7 OR .2187. COUNTERSUNK ONLY .25 HOLES. STILL NEED TO COUNTERSINK REMAINING HOLES. REF. SRM 53-00-01-2R-7. FINISHED COUNTERS IN VERIFIED WORK COMPLETED , IAW SRM 53-00-01-2R-7 AND ALSO VERIFIED SDR COMPLETED

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