Service difficulty report · Skin · Boeing 737824

Difficulty date
January 31, 2019
Submitted
February 1, 2019
Operation
Air carrier
Aircraft
N77261
Make and model
Boeing 737824
Aircraft serial
31582
Aircraft time
59,469 hours, 19,909 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

RH HORIZONTAL STABILIZER SKIN AT STAB STATION 140, 24" AFT OF FRONT STAB I/B FASTENER ROW OPPOSITE OF DRAIN HOLE 1" CRACK BETW EEN FASTNERS(MARKED). FOUND ON SMB C-CHECK WRITE UP 9646070. REP AIR PER SRM 55-10-01 REPAIR 11. RH LOWER HORZ. STAB CRACK REPAIRED PER SRM 55-10-01 REPAIR 11. O N SMB DOCK WRITE UP 9646070. REQUIRES REINSPECTION PER SRM 55-10 -01 REPAIR 11 TABLE 204 PAGE 223. 56,000 TOTAL FLIGHT CYCLES. ADD EMP:U250639 INTERVAL 9000 FLIGHT CYCLES. PER SRM 55-10-01 REPAIR 11. O SMB DOCK WRITE UP 9646070. REQUIRES REINSPECTION PER SRM 55-10 -01 REPAIR 11 TABLE 204 PAGE 223. 56,000 TOTAL FLIGHT CYCLES. THEN EVERY 9000 CYCLES THERE AFTER TOMC APPROVED, PLACED ON DIPRH LOWER HORZ. STAB CRACK