SDR ASAA2015021010865

Service difficulty report · Skin · Boeing 737790

Difficulty date: February 10, 2015
Submitted: March 9, 2015
Operation: Air carrier
Aircraft: N612AS
Make and model: Boeing 737790
Aircraft serial: 30162
Aircraft time: 51,994 hours, 23,752 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
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

CRACK FOUND ON LWR SKIN OF RT HORIZONTAL STABILIZER. CRACK IS APPROXIMATELY 1.375' LONG JUST INBD OF STAB STA 129.5 AND APPROXIMATELY 9' AFT OF FRONT SPAR. ACFT GROUNDED. REMOVED AND REINSTALLED RT HORIZONTAL L/E & TIP CAP IAW 3SA AMM 27-41-21-400-801. REMOVED AND REINSTALLED RT HORIZONTAL L/E WEB IAW SRM 51-40-02, REMOVED DAMAGE ON LOWER HORIZONTAL SKIN AND INSTALLED DOUBLER AND FILLER IAW SRM 55-10-01-2R-11. THIS IS A CLEAN "B" REPAIR WITH INSPECTION, THRESHOLD OF 56,000 CYCLES .