Service difficulty report · Skin · Boeing 737924ER

Difficulty date
October 11, 2021
Submitted
October 14, 2021
Operation
Air carrier
Aircraft
N37420
Make and model
Boeing 737924ER
Aircraft serial
33457
Aircraft time
42,480 hours, 14,671 cycles
Part
Skin
Part number
2024T30100
Condition
Cracked
Location
Sta129.5 Rib 6
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

EA 5510-01843 REV H A-55 DOT 002, 2 CRACKS NOTED ON R/H LOWER HO RIZONTAL STAB SKIN ON RIB 6, STATION 129.5, 3" INBOARD OF PREVIO US REPAIR (REF. AAR NR 99911901). V935579). REMOVED DAMAGE CRACK & REPAINTED ARE ON R/H HORIZONTAL STAB LOWE R SKIN ALONG RIB 6 STATION 129.5, 3" I/B OF PREVIOUS REPAIR IAW B737-900ER SRM 55-10-01-2R-11 THIS REPAIR IS A CATEDGORY B & REQ UIRE REPEAT INSPECTION GIVEN AT B737-900 ER SRM 55-10-01-01-2R-1 1 STEP 5 TABLE 204 (WORK ACCOMPLISHED BY V931931 & AAR QC INITIATE DIP FOR REINSPECTION THRESHOLD REF SRM 55-10-01-2R-11 STEP 5 TABLE 204 @ 56000 TOTAL CYC, DVI & LFEC @ 9000 CYC INTERVALS. INITIATE DIP FOR REINSPECTION THRESHOLD REF SRM 55-10-01-2R-11 TOMC-APPROVAL FROM SC1ELBYC COMMENT STEP 5 TABLE 204 @ 56000 TOTAL CYC, DVI & LFEC @ 9000 CYC INTERVALS. DIP CRITERIA FOR REINSPECTION IS CORRECT. DIP APPROVED. QC QC REVIEWED. RECORDS UPDATE - AP RECORDS UPDATE - AP INIT : 56000 TAFC INIT WILL ITO TO RIR (-0710) RIR : 9000 FC.............AP/U366012