Service difficulty report · Beam · Boeing 7377H4

Difficulty date
March 17, 2022
Submitted
April 18, 2022
Operation
Air carrier
Aircraft
N246LV
Make and model
Boeing 7377H4
Aircraft serial
32507
Aircraft time
53,148 hours, 31,780 cycles
Part
Beam
Condition
Cracked
Location
R1 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 FOUND AT FWD SERVICE DOOR NO.4 BEAM P/N: 141A6536-14 (REQUEST AS WRITTEN EO 5241-C-14093 OR 5241-C-14344 ) / [01] REMOVED FWD SERVICE GALLEY DOOR HANDLE BOX ASSEMBLY REF 737-700 CMM 52-41-05;[02] REMOVED #4 BEAM FROM FWD SERVICE DOOR IN REFERENCE WITH B737-700 SRM 51-40-02-0G-0.;[03] VERIFIED STEP 1 AND 2.;[04] PERFORMED HFEC ROTO INSP ON FASTENER OPEN HOLES. IAW B 737 NDT PART 6 51-00-00 PROCE 16. TOOL NORTEC 600. BC 166316. CALIB DUE 10-8-22. NO CRACKS FOUND.;[05] PERFORMED HFEC COUNTERSUNK INSP ON FASTENER OPEN HOLES. IAW B 737 NDT PART 6 53-30-00 PROCE 3. TOOL NORTEC 600. BC 166316. CALIB DUE 10-8-22. NO CRACKS FOUND.;[06] LOCATED AND DRILL NEW BEAM IRW B737-700 SRM 51-40-05;[07] VERIFIED STEP # 6;[08] OK TO INSTALL NEW DOOR BEAM;[09] INSTALLED NEW FWD SERVICE DOOR NO.4 BEAM P/N: 141A6536-14 IRW 51-40-02-0G-0.;[10] INSTALLED NEW FWD SERVICE DOOR N0.4 BEAM P/N: 141A6536-14 IRW B737-700 SRM 51-40-02-0G-0.;18] REINSTALLED FWD GALLEY SERVICE DOOR (R1) HANDLE BOX ASSEMBLY REF CMM 52-41-05;

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