Service difficulty report · Skin · Boeing 737824

Difficulty date
August 28, 2021
Submitted
August 30, 2021
Operation
Air carrier
Aircraft
N73278
Make and model
Boeing 737824
Aircraft serial
31596
Aircraft time
55,538 hours, 19,736 cycles
Part
Skin
Part number
182A40022
Condition
Cracked
Location
Horizontal Stab
Stage of operation
IN
How discovered
O
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

SUPPORT TASK EA 5510-01843 REV H, RH HORIZONTAL STABILIZER STAB STA 120.3 LOWER SKIN FOUND CRACK WITH APPROXIMATELY 0.5" IN LENG TH TRANSFER REF NR LP 9130304, FROM THE REAR SPAR AND WAS REPAIRED PER SRM 55-10-01-2R-11 REPAIR 11. THIS IS A CATEGORY B REPAIR WHICH REQUIRES SUPPLEMENTAL INSPECTIONS BEGINNING AT 56,000 TOTAL FLIGHT CYCLES AND REPETITIVE INSPECTIONS EVERY 9,000 FLIGHT CYCLES THEREAFTER THIS REPAIR IS LOCATED AT STATION 120.3 AND 11 INCHES FORWARD PER SRM 55-10-01-2R-11. . MARKED REPAIR AS A MAJOR REPAIR CREATED DIP TO PERFORM SUPPLEMENTAL INSPECTIONS STARTING AT 56,000 FLIGHT CYCLES AND EVERY 9,000 FLIGHT CYCLES THEREAFTER PER SRM 55-10-01-2R-11 PARAGRAPH 5 TABLE 204.