Service difficulty report · Frame · Boeing 73776N

Difficulty date
February 3, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N7885A
Make and model
Boeing 73776N
Aircraft serial
33379
Aircraft time
62,518 hours, 31,343 cycles
Part
Frame
Condition
Cracked
Location
Zn 100 Fus Lower
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

CRACK ON FRAME BS 312 BETWEEN STR 4L AND STR 5L (MARKRED)<[01] CUT AND REMOVED THE DAMAGED AT BS 312 BETWEEN STR4L - STR5L IAW SRM 51-10-02;[02] REQUESTED DVI OF THE TRIM OUT AREA TO MAKE SURE THAT THERE ARE NO OTHER DAMAGE IAW SRM 51-00-06;[03] VERIFIED CORRECTIVE ACTION 1 AND 2.;[04] REQUESTED HFEC INSPECTION ALONG THE EDGE OF THE CUTOUT;[05] ACCOMPLISHED HFEC SURFACE SCAN OF CUTOUT IAW 737 NDTM PART 6 CHAPTER 51-00-00 PROCEDURE 23. NO CRACKS NOTED.<BR><BR>EQUIPMENT USED: NORTEC 600 ID: ATS1465 CAL DUE: 09/2023;[06] 'EA-GENERAL' REPAIR REFERENCE IS SELECTED PER EA#M-22-153-01244;[07] VERIFIED CORRECTIVE ACTION ITEM 6. REPAIR PERFORMED ON EA M-22-153-01244. TTG8Q00HRW9S.;[08] VERIFIED MEASUREMENT TABLE COMPLETED.

More about the Boeing 737-76N