Service difficulty report · Crease Beam · Boeing 7377H4

Difficulty date
May 6, 2019
Submitted
March 9, 2022
Operation
Air carrier
Aircraft
N734SA
Make and model
Boeing 7377H4
Aircraft serial
27866
Aircraft time
69,540 hours, 40,865 cycles
Part
Crease Beam
Condition
Cracked
Location
Main 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

CREASE BEAM WEB IS CRACKED AT LIGHTNING HOLE; BS 469 RBL 65; WL 208 / REMOVED CRACK ON CREASE BEAM WEB LIGHTNING HOLE EDGE AT BS 469; RBL 65; WL 208 IAW SRM 53-30-13-1A-1 STEP 4A (1)(A) & SRM 51-10-02-0G-0. AFTER EVALUATE REWORK AREA IT WAS FOUND WITHIN LIMITS IAW SRM 53-30-13-1A-1 STEP 4A (E)(A) FIG 103 DETAIL A. APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW 53-30-13-1A-1 STEPS 2C (1) & 2C(2). ACCOMPLISHED A HFEC INSP TO REWORKED AREA IAW 737 NDIM PT6 51-00-00 PROC 23; NO CRACKS NOTED.

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