Service difficulty report · Hinge Box · Boeing 7377H4

Difficulty date
May 5, 2022
Submitted
June 14, 2022
Operation
Air carrier
Aircraft
N286WN
Make and model
Boeing 7377H4
Aircraft serial
32471
Aircraft time
57,746 hours, 34,276 cycles
Part
Hinge Box
Condition
Cracked
Location
R/H Fwd Fuselage
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 AT R1 DOOR FWD CUTOUT; DOOR HINGE UPPER BOX SEAL SUPPRESSOR MKD 126-01. / [01] REMOVED DOOR HINGE UPPER BOX SEAL SUPPRESSOR AT<BR>R1 DOOR FWD CUTOUT. REF.SRM-51-40-02-0G-0;[02] LOCATED AND DRILLED HINGE BOX. REF. B-737-7 SRM-51-40-05-0G-0;[03] CORRECTION STEP #2: RECEIVED NEW HINGE BOX. P.O# 1765410. LOCATED AND DRILLED HINGE BOX. REF. B-737-7 SRM-51-40-05-0G-0;[04] VERIFIED STEP 2 AND 3 .;[05] OK TO INSTALL FRAME.;[06] INSTALLED NEW HINGE BOX (FRAME) AND REINSTALLED SEAL SUPPRESSOR REMOVED ON STEP 1 PER REF B737 SRM 51-40-02-0G-0 AND DWG141A8350;[07] CORRECTING STEP 6: INSTALLED NEW HINGE BOX SEAL SUPPRESSOR PER REF B737 SRM 51-40-02-0G-0 AND DWG141A8350;[08] REMOVED AND REPLACED R1 DOOR FWD CUTOUT DOOR UPPER HINGE BOX SEAL SUPPRESSOR PER REF B737 SRM 51-40-02-0G-0 AND DWG141A8350;[09] VERIFIED STEPS #6 AND #7.;[10] LATE ENTRY: OK TO TREAT AND PRIME DRILLED HOLES.;[11] LATE ENTRY: TREATED AND PRIMED HINGE BOX SEAL SUPPRESSOR. REF. SRM-51-20-01-0G-0;[12] VERIFIED STEP #11.;[13] FINAL INSPECTION; FWD CUTOUT DOOR UPPER HINGE BOX SEAL SUPPRESSOR REPLACED.

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