Service difficulty report · Skin · Boeing 737924ER

Difficulty date
July 4, 2021
Submitted
July 5, 2021
Operation
Air carrier
Aircraft
N37413
Make and model
Boeing 737924ER
Aircraft serial
31664
Aircraft time
40,005 hours, 14,037 cycles
Part
Skin
Condition
Cracked
Location
Horizontal Stab
Stage of operation
IN
How discovered
9
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

(EA 5510-01843 REV H) LOWER SURFACE OF THE RIGHT HORIZONTAL STABILIZER AT STATION 120.30 HAS A CRACK 0.551 INCES IN LENGTH LOCATED 11 INCHES FROM THE REAR SPAR. LOCATION IS MARKED. (REF AAR NON-ROUTINE 9488506) SRM 55-10-01-2R-11. RE-INSPECTION REQUIRED AT 56,000 TOTAL FLIGHT CYCLES WITH 9000 FC INTERVALS FOR DETAILED VISUAL INSPECTION AND 900FC FOR LFEC. NOTE: PREVIOUS REPAIR AT STA 129.50 (REF LP 6136124) REMOVED AND INCORPORATED ON NEWLY ADD EMP:V913184 ACCOMPLISHED REPAIR AT RIGHT HORIZONTAL STAB STATION 120.30 IAW INSTALLED REPAIR FROM STAB STA 120.30 TO STAB STA 129.50. CORRECTION: 9000 FC FOR LFEC. RII INSPECTION ACCOMPLISHED BY AAR INSP 124 REPAIR @ STA 120.30IAW SRM 55-10-01 -2R-11 INSP. THRESHOLD AT 56 000 FLT CYC''S AFTER REPAIR INSTALLATION THEN REPEAT INSP''S EVERY 9000 FLT CYC''S PER STEP 5 A. TABLE 204.