Service difficulty report · Skin · Boeing 737824

Difficulty date
June 27, 2024
Submitted
July 15, 2024
Operation
Air carrier
Aircraft
N79521
Make and model
Boeing 737824
Aircraft serial
31662
Aircraft time
44,386 hours, 15,458 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,LOWER SKIN,CRACK INDICATION AT STA 111. 10,19 INCHES AFTER FRONT SPAR.(REF AAR NR 100013013) S CATEGORY B REPAIR INSPECTION REQUIREMENTS IAW SRM 55-10-01-2R- 11 REPAIR 11 STEP 5 TABLE 204 AAR TOOL # 8461 EXP:01/12/2025. REPAIRED ON RH HORIZONTAL STABILIZER, LOWER SKIN AT STA 110.10, 19 INCHES AFTER FRONT SPAR IAW B737-800 SRM 55-10-01-2R-11 REPAI R 11, 51-00-00, 51-40-05-0G-0,51-40-08-0G-0,51-40-02-0G & AMM 51 -21-41-390-803,51-21-72-370-801, 51-20-05, 51-21-73-370-801, THIS DIP PER SRM 55-10-01-2R-11 TABLE 204 INSPECTION THRESHOLD OF 56,000 TOTAL FC WITH A REPEAT INSPECTION OF 9,000 FC TOMC APPROVED. DIP ISSUED IAW SRM 55-10-01-2R-11 TABLE 204. TOMC-APPROVAL FROM SC1ELBYC COMMENT INSPECT REPAIR ON RH HORIZONTAL STAB LOWER SKIN AT STA 111.10 AND 19 INCHES AFTER FRONT SPAR IAW SRM 55-10-01-2R-11 TABLE 204 BEFORE 56000 TOTAL CYCLES AND EVERY 9000 FLIGHT CYCLES THEREAFTER.