Service difficulty report · Frame · Boeing 7377H4

Difficulty date
May 3, 2022
Submitted
June 9, 2022
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
60,414 hours, 35,826 cycles
Part
Frame
Condition
Cracked
Location
Fwd Entry Door
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 FED LOWER EDGE FRAME BS 312; STR 6L; WL 382 (MARKED) / [01] REMOVED DAMAGE ON FRAME END AT BS 312 L/H AT STR 6L WL 382 PER SRM 51-10-02-0G-0 STEP 15;[02] REQUEST NDI TO VERIFY CRACK FREE AT CUT OUT AREA ON 312 FRAME L/H STR 6L;[03] HFEC INSPECTED CUT OUT AREA IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23; NO CRACKS NOTED DURING TIME OF INSPECTION. <BR>EQUIP USED: NORTEC 600 ID: ATS2353 CAL:01/23;[04] VERIFIED DAMAGE REMOVAL ON FRAME END AT BS 312 L/H AT STR 6L WL 382;[05] VERIFIED MEASUREMENT TABLE;[06] COMPLETE;[07] INSPECTION COMPLETE

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