Service difficulty report · Beam · Boeing 7377H4

Difficulty date
February 8, 2023
Submitted
February 16, 2023
Operation
Air carrier
Aircraft
N937WN
Make and model
Boeing 7377H4
Aircraft serial
36644
Aircraft time
44,833 hours, 27,250 cycles
Part
Beam
Condition
Elongated
Location
Zn 500 Left Wing
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

FOUND PANEL 551FB BEAM ASSY (P/N: 115A2753-13) WITH ENLONGATED BUSHING HOLE.<[01] REMOVED BEAM ASSY P/N: 115A2753-13 WITH ENLONGATED BUSHING HOLE AT PANEL 551 FB AS PER BOEING 737-700 SRM 51-40-02-0G-0;[02] VERIFIED;[03] RECEIVED NEW BEAM ASSY P/N115A2753-13 WITH PILIOTED HOLE LOCATION; OK TO DRILL PILIOT HOLES UP TO FINAL SIZE ; TREAT & PRIME;[04] OK TO INSTALL NEW BEAM ASSY.;[05] PARTIALLY INSTALLED BEAM ASSY P/N: 115A2753-13 AT PANEL 551 FB AS PER BOEING 737-700 SRM 51-40-02-0G-0. PENDING NUTPLATES INSTALLATION.;[06] COMPLETED BEAM ASSY INSTALLATION AS PER B737-700 SRM 51-40-02-0G-0;P/N 115A2753-13.;[07] VERIFIED STEP 6

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