Service difficulty report · Hinge Box · Boeing 7377H4

Difficulty date
March 10, 2022
Submitted
April 8, 2022
Operation
Air carrier
Aircraft
N468WN
Make and model
Boeing 7377H4
Aircraft serial
33858
Aircraft time
58,378 hours, 34,580 cycles
Part
Hinge Box
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

FWD SERVICE DOOR UPPER HINGE BOX AT FWD FRAME CRACKED RBL 52 WL 255 BS 294. / [01] REMOVED FSD HINGE TORQUE TUBE ACCESS PANEL 222AR; DISPLACED HINGE TORQUE TUBE AND UPPER PIN; AND REMOVED FSD UPPER HINGE FITTING PER AMM 52-41-41-000-801.[07] INSTALLED NEW FSD UPPER HINGE BOX AT BS 294 RBL 52 WL 255 IAW SRM 51-40-02-0G-0 AND DWG 141A8358;[08] STEPS 7;10 AND 11 COMPLETED;[09] VERIFIED ITEM 7;8 CORRECTIVE ACTIONS. <BR>VERIFIED STEPS 7;10;11.;[10] UPDATED STEPS 8; AND 9 INSTALLATION FSD EXTERNAL SKIN DOOR SURROUND PANEL AND STRAP AT BS277-294 BETWEEN STR8R-9R RBL52 WL255 IAW SRM 51-40-02; BOEING DWG 141A8350; BOEING DWG 141A8380.;[11] UPDATED STEPS 8; AND 9 INSTALLATION FSD EXTERNAL SKIN DOOR SURROUND PANEL AND STRAP AT BS277-294 BETWEEN STR9R-11R RBL52 WL255 IAW SRM 51-40-02; BOEING DWG 141A8350; BOEING DWG 141A8380. ALSO; SEAL DEPRESSOR WILL BE INSTALL ON CUST SYSTEM ID: TTG8Q00BJ04N.

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