Service difficulty report · Skin · Boeing 737436

Difficulty date
February 2, 2024
Submitted
March 28, 2024
Operation
Air carrier
Aircraft
N403YK
Make and model
Boeing 737436
Aircraft serial
25842
Aircraft time
63,646 hours, 43,186 cycles
Part
Skin
Part number
UNKNOWN
Condition
Cracked
Location
Bs 380
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

ACCORDING TO AD 2019-08-03 INTERNAL OPEN HOLE HFEC INSPECTION , 2 EA FASTENERS HOLE SKIN CRACKED(UP L: 0.4" LOWER L:0.35") AT BS380 IB CHORD BETWEEN S20L AND S21L. REPAIRED DAMAGED CHORD AT BS 380L BETWEEN STRANGER S21 & S22 AS PER NAC EO 737-53-3507 REV. IR SEE ATTACHED.