SDR AWXA200400168

Service difficulty report · Spar Cap · Boeing 737301

Difficulty date: January 4, 2004
Submitted: February 10, 2004
Operation: Air carrier
Aircraft: N324AW
Make and model: Boeing 737301
Aircraft serial: 23261
Aircraft time: 58,145 hours, 36,947 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Spar Cap
Part number: 6050578
Condition: Corroded
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

MCN - MAJOR REPAIR - DURING C-18 CHECK EXFOLIATION CORROSION WAS FOUND ON LT HORIZONTAL STABILIZER AFT SPAR UPPER CAP BETWEEN STAB STA 159 - 164.5. MAINTENANCE BLENDED OUT CORROSION ON LT HORIZONTAL STABILIZER AFT SPAR UPPER CAP FROM STAB STA 159 TO STAB STA 164.5; PERFORMED HFEC INSPECTION TO ENSURE DAMAGE REMOVED; FABRICATED AN EXTERNAL DOUBLER, REPAIR ANGLE, AND RADIUS FILLER; INSTALLED REPAIR PARTS IAW AWA ER 03-5500-04027-SS3.