Service difficulty report · Angle · Boeing 7378H4

Difficulty date
September 13, 2022
Submitted
October 5, 2022
Operation
Air carrier
Aircraft
N8651A
Make and model
Boeing 7378H4
Aircraft serial
36920
Aircraft time
27,317 hours, 12,717 cycles
Part
Angle
Condition
Corroded
Location
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

CORROSION ON R/H FWD EMERGENCY EXIT DOOR LOWER HINGE SUPPORT ANGLE AT RBL 67 WL 221 BS 580+9; BS 580+15. / [01] REMOVED R/H FWD EMERGENCY EXIT DOOR LOWER CLOSEOUT LINING ASSEMBLY AT BS 578 TO BS 601 RBL 67 WL 221 IAW AMM 25-21-20-000-801 STEP 6 (A) AND (B) REMOVED LOWER HINGE SUPPORT ANGLE FROM CLOSEOUT LINING ASSEMBLY IAW SRM 51-40-02-0G-0 BLENDED AND REMOVED CORROSION FROM HINGE SUPPORT ANGEL 1.5' X 13' REMOVED .003 FROM ORIGINAL THICKNESS OF .050 USING MICROMETER ATS1672 S/N 65092939 CAL DUE03/2023 NO SRM DAMAGE LIMITS GIVEN PART REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 ITEM 9. C.;[02] VERIFIED CORRECTIVE ACTION ITEM 1.<BR><BR>VERIFIED MEASUREMENT TABLE;[03] FABRICATED LOWER HINGE SUPPORT ANGLE IAW DWG: 411A2854 ID:0006 REV: E AND SRM 51-40-05. MATERIAL USED 6061 T4 THICKNESS 0.050' P/N: 146A8125-53 LOT NUMBER:1501335-1;[04] CORRECTION TO STEP 3.<BR>FABRICATED LOWER HINGE SUPPORT ANGLE IAW DWG: 411A2854 ID:0006 REV: E AND SRM 51-40-05. MATERIAL USED 6061 T4 THICKNESS 0.050' LOT #: 1038535;08] INSTALLED L/H FWD EMERGENCY EXIT DOOR LOWER HINGE SUPPORT ANGLE IAW DWG 411A2854 ID:0006 REV:E AND AMM 25-21-20-000-801.;[09] CORRECTION: INSTALLED R/H FWD EMERGENCY EXIT DOOR LOWER HINGE SUPPORT ANGLE IAW DWG 411A2854 ID:0006 REV:E AND AMM 25-21-20-000-801.;[10] CORRECTION TO REF: INSTALLED R/H FWD EMERGENCY EXIT DOOR LOWER HINGE SUPPORT ANGLE IAW DWG 411A2854 ID:0006 REV:E AND AMM 25-21-20-400-801.

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