Service difficulty report · Frame · Boeing 7377H4

Difficulty date
August 20, 2022
Submitted
September 22, 2022
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
57,460 hours, 34,246 cycles
Part
Frame
Condition
Cracked
Location
Pax Cabin
Stage of operation
IN
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

CRACKED FRAME AT PASSENGER CABIN BS747 S-8R. / [01] REQUEST NDI TO HFEC TO VERIFY CRACK LOCATION;[02] ACCOMPLISHED HFEC INSPECTION OF BS 747 FRAME AT STR 8R MARKED END OF CRACK IAW 737 NDTM PART 6; 51-00-00 PROCEDURE 23 TOOL# ATS729 CAL. DUE 07/2023.;[03] REPAIRED FRAME AT B.S. 747; STR8R PER EA 1-A53-12114; CUSTOMER CARD #TTG8Q00EDS8T.;[04] ADDED TO MEASUREMENT TABLE;[05] VERIFIED CORRECTIVE ACTION 3 AND MEASUREMENT TABLE.

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