Service difficulty report · Skin · Boeing 737824

Difficulty date
May 5, 2023
Submitted
May 8, 2023
Operation
Air carrier
Aircraft
N77530
Make and model
Boeing 737824
Aircraft serial
39998
Aircraft time
37,987 hours, 13,295 cycles
Part
Skin
Part number
182A3001
Part serial
NA
Condition
Cracked
Location
Sta 157.1
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

RIGHT HORIZONTAL STAB LOWER SKIN CRACKED AT STA 157.1, APPROX 12" FORWARD OF AFT SPAR. MARKED CRACK END TO END WITH BLACK DOTS. VERIFIED CRACKS WITH HFEC. CYCLES REF SRM 55-10-01-2R-11 PAR.5 (DETAIL VISUAL INSPECTION) 7.85 IBS. SEE ATTACHED WEIGHT AND BALANCE FORM 46.0075 FOR ADDED WEIGHT OF INSTALLED REPAIR DOUBLER (SEE N/R 001308803 FOR ALL WORK ACCOMPL ISHED)ISSUED DIP TO INSP REPAIR DOUBLER AT INTERVAL OF 9000 FLT TOMC APPROVED DIP DUE TO SRM 55-10-01-2R-11 RT HORIZONTAL STAB TOMC-APPROVAL FROM SC1ELBYC COMMENT LOWER SKIN DOUBLER REPAIR ACCOMPLISHED, REF TABLE 204 ACCOMPLISH DVI AND LFEC INSPECTION AT 56,000 TOTAL FLIGHT CYCLES AND REPEAT INSPECTIONS OF DVI AND LFEC EVERY 9,000 FLT CYCLES AFTER INITIAL RE-INSPECT ACCOMPLISHED. Q/C REVIEWED. RECORDS UPDATE....HC Q/C REVIEWED. INIT : 56,000 TAFC (INIT WILL ITO TO RIR) RIR : 9,000 FC......HC/U389717