Service difficulty report · Angle · Boeing 73776Q

Difficulty date
January 12, 2023
Submitted
February 20, 2023
Operation
Air carrier
Aircraft
N565WN
Make and model
Boeing 73776Q
Aircraft serial
30282
Aircraft time
56,383 hours, 37,305 cycles
Part
Angle
Condition
Corroded
Location
Zn 100 Fus Lower
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 PASSENGER CABIN DOOR WEB ATTACH ANGLE AT BS 295 STRINGER 9L.(MARKED)<[01] EVALUATED DAMAGE ON PASSENGER CABIN DOOR WEB ATTACH ANGLE AT BS 295 S-9L AFTER FURTHER EVALUATION FOUND TO BE OUT OF LIMITS; DUE NOT LIMITS IN SRM PART WILL BE REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0;[02] REMOVED ATTACH ANGLE PASSENGER CABIN DOOR WEB AT BS 295 S-9L IAW SRM 51-40-02-0G-0;[03] VERIFIED STEP 2 AND VERIFIED MEASUREMENT FIELD;[04] ROUTED BAC1506-3633#7075T6511 LOT# 738969 TO MACHINE SHOP FOR MACHINING OF THE 141A8184-1 CLIP AND 141A8184-22 CLIP.;[05] REFER TO EA# 23-153-00290-WIP1 FOR PART FABRICATION REQUIREMENTS.;[06] LOCATED AND DRILLED NEW DOOR STOP INTERCOSTAL CLIP IAW SRM 51-40-05-0G-0 AND DRAWING#141A8184 REFER TO EA# 23-153-00290-WIP1 STEP 4.<BR>OK TO TREAT AND PRIME.;[12] VERIFIED CORRECTIVE ACTION STEP 11.;[13] REPLACEMENT OF WEB ATTACH ANGLES ACCOMPLISHED IAW 23-153-00290 (N565WN - ATS(PAE) - REPAIR - FWD DOORSTOP INTERCOSTAL CLIPS AT BS 294.5; STR 9L & STR 12L ? MATERIAL SUBSTITUTION);

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