Service difficulty report · Skin · Boeing 737*

Difficulty date
February 7, 2022
Submitted
February 28, 2022
Operation
Air carrier
Aircraft
N7752B
Make and model
Boeing 737*
Aircraft serial
33943
Aircraft time
44,008 hours, 22,440 cycles
Part
Skin
Condition
Cracked
Location
Fuselage
Stage of operation
UK
How discovered
9
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

CRACK WAS FOUND ON LEFT HAND FUSELAGE BETWEEN STA. 925+5' S20L AND S21 / [01] PERFORMED HFEC ON CRACK IAW NDTM PART 6;51-00-00 PROCEDURE 23. CRACK LENGTH : 0.433';[18] REPAIR IS BEING ACCOMPLISHED UNDER TASK CARD EA NO:22-153-00509;[19] LOCATED AND DRILLED FUSELAGE SKIN AND REPAIR DOUBLER AS PER 51-40-05-0G-0 SRM 53-00-01-2R-3 REPAIR 3;[20] DOUBLER FABRICATED AND TRIMMED TO FINAL SIZE AS PER B737-700 SRM 53-00-01-2R-3 REPAIR 3 AND EA# 22-153-00509[25] MIX SEALANT BMS 5-95 AT 22:00 EASTERN TIME 02/18/2020; SQUEEZE OUT AND FASTENER INSTALLATION VERIFICATION DUE BY 18:00 EASTERN TIME 02/19/2020.;[26] INSTALLED REPAIR DOUBLER AS PER B737-700 SRM 51-40-02-0G-0; 53-00-01-2R-3 REPAIR 3 AND EA# 22-153-00509