Service difficulty report · Skin · Boeing 75724APF

Difficulty date
June 10, 2025
Submitted
June 27, 2025
Operation
Air carrier
Aircraft
N475UP
Make and model
Boeing 75724APF
Aircraft serial
28845
Aircraft time
23,628 hours, 16,032 cycles
Part
Skin
Part number
185N30011
Condition
Dented
Location
Zone 300
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

HORIZONTAL STABILIZER LH UPPER SKIN RIB 12 HAS A DENT.REMOVED DAMAGE APPROX. 1.90" X 2.95", WITH CORE REMOVAL. LOCATED FROM CENTER OF CUTOUT, 6.250" AFT OF FWD EOP, 18.250" FWD OF AFT EOP, 83.250" O/B OF I/B EOP, 71" I/B OF O/B EOP. IAW B757 SRM 51-70-10-2R-0 PARA. 7.FABRICATED 2 EACH DOUBLERS IAW B757 SRM 51-70-10-2R PAR.8.BONDED REPAIR DOUBLERS TO LH HORIZONTAL STAB IAW B757 SRM 51-70-10-2R PAR. 20.PERFORMED POST CURE (BOND TEST) INSP OF THE REPAIR AREA TO THE HORIZONTAL STAB L/H SIDE UPPER SKIN BY RIB 12. THE REPAIR AREA IS DISBOND FREE AT THIS TIME. ACCOMPLISHED INSP IAW B757 NTM PART 4 51-00-05

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