Service difficulty report · Skin · Boeing 737890

Difficulty date
December 15, 2015
Submitted
December 23, 2015
Operation
Air carrier
Aircraft
N587AS
Make and model
Boeing 737890
Aircraft serial
35684
Aircraft time
31,564 hours, 9,223 cycles
Part
Skin
Part number
182A4001
Condition
Cracked
Location
Horizontal Stab
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

LT HORIZONTAL STABILIZER HAS CRACK INDICATION APPROXIMATELY 2.5" IN LENGTH, STABILIZER BS 95 AT FWD FASTENER ROW OF AFT SPAR. ENDS ARE MARKED IN RED. ACFT GROUNDED. REMOVED DAMAGED AREAS IAW SRM 55-10-01, PERFORMED HFEC ON CUT OUT IAW NDTM 51-00-00 PROCEDURE 23 TOOL, T8257A MATERIAL ID FOR REPAIR PARTS IS 2024-T3 .071, PO 850337.1 & 2024 T3 .100, PO 833494.2. FABBED, LOCATED & DRILLED REPAIR PARTS IAW SRM 55-10-01-2K-11. INSTALLED REPAIR PARTS IAW SRM 51-40-02. PAINTED REPAIR AREA IAW SRM 55-10-01-2R-11.4.0. REPAIR IS CATEGORY "B" WITH AN INSPECTION THRESHOLD OF 56,000 TOTAL COMPONENT FLIGHT CYCLES AND AN INTERVAL OF 9,000 FLIGHT CYCLES IAW SRM 55-10-01-2R-11.5.A TABLE 204.