Service difficulty report · Skin · Boeing 757224

Difficulty date
December 21, 2019
Submitted
January 6, 2020
Operation
Air carrier
Aircraft
N12125
Make and model
Boeing 757224
Aircraft serial
28967
Aircraft time
82,310 hours, 20,133 cycles
Part
Skin
Part number
146N3330
Condition
Dented
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

DENT ON FUSELAGE LEFT SIDE BETWEEN PRESSURE RELIF VALVE AND ELEV.STATIC PORT ABOUT 36" BELOW PUNCTURE THROUGH FUSELAGE SKIN AT APPROX STA 1445 AND 1" ABOVE S-25L REMOVED DAMAGE TO THE AFFECTED SKIN AERA STA 1445 AND STR 25 L REF 53-00-01. INSPECTION WILL NEED TO VERIFY SKIN THICKNESS AFTER REMOVAL OF DAMAGE. CRACKS.. SKIN THICKNESS AT REMOVAL AREA IS 0.43" DAMAGE TO SKIN (APPROX. 3" X 3") . NO INDICATION OF SKIN PERFORMED HEFC AND SKIN THICKNESS INSPECTION AFTER REMOVAL OF CUT OUT DAMAGED AERA REF SRM 53-00-01 REPAIR 29 PARA 4 A-D. PERFORMED HFEC OF DAMAGE CUTOUT. NO CRACKS DETECTED. REF. NDT PART 6 51-00-16 COMPLIED WITH SRM 53-00-01 REPAIR 29, PAR4 E-G. VERIFIED STEPS (4) E THRU G (NDT) HFEC AND HOLE PROBE INSP. REF. REPAIR 29 SRM 53-00-01 AND NDT PART 6 51-00-16 0.063" 2024-T3 P.O.# 8546450 AND THE -3 REPAIR FILLE