Service difficulty report · Skin · Boeing 737990

Difficulty date
May 4, 2022
Submitted
May 18, 2022
Operation
Air carrier
Aircraft
N320AS
Make and model
Boeing 737990
Aircraft serial
33680
Aircraft time
62,185 hours, 24,972 cycles
Part
Skin
Part number
182A400111
Part serial
UNK
Condition
Cracked
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

L/H S-STAB LOWER SKIN HAS A CRACK LOCATED BETWEEN STAB STA. 129.50 AND 138.70 APROX. 1.5" LONG. CRACK LOCATION HAS BEEN MARKED AND ENDS OF CRACK HAVE BEEN MARKED. GROUNDED - YES. REPAIRED THE L/H HORIZ STAB LOWER SKIN USING MAT .100 2024-T3 AND .071 2024-T3 PER B737-900 SRM 55-10-01-2R-11.REPAIR IS A CAT "B" AND HAS AN INSPECTION THRESHOLD OF 56,000 TOTAL FLIGHT CYCLES PER B737-900 SRM 55-10-01-2R-11.5.