Service difficulty report · Beam · Boeing 7377H4

Difficulty date
January 27, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N955WN
Make and model
Boeing 7377H4
Aircraft serial
36671
Aircraft time
38,739 hours, 23,607 cycles
Part
Beam
Condition
Corroded
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

CORROSION IN FLOOR BEAM FLOORBOARD HOLE; BS 986; RBL 40; WL 208; FOUND DURING HFEC INSPECTION<[01] UPDATED MEASUREMENT TABLE;[02] REMOVED CORROSION IN FLOOR BEAM FLOORBOARD HOLE; BS 986; RBL 40; WL 208; PER SRM 51-10-02;[03] REQUEST HFEC IN HOLE IN 986 FLOOR BEAM RBL 40 CRACK FREE;[04] HFEC INSPECTED OPEN HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16. <BR>NO CRACKS NOTED; BUT DAMAGE STILL NOTED TO BE WITHIN HOLE. <BR>EQUIP USED: <BR>-NORTEC 600 ID: ATS1465 CAL DUE: 09/23;[05] REPAIR REQUIRED;REPAIR TO BE ACCOMPLISHED ON CARD #TTG8Q00HFMX8;[06] VERIFIED CORRECTIVE ACTION ITEM 5. REPAIR TO AREA WILL BE ACCOMPLISHED ON TTG8Q00HFMX8.<BR>VERIFIED MEASUREMENT TABLE COMPLETED.

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