Service difficulty report · Web · Boeing 7378H4

Difficulty date
May 31, 2024
Submitted
June 18, 2024
Operation
Air carrier
Aircraft
N8692F
Make and model
Boeing 7378H4
Aircraft serial
33942
Aircraft time
26,504 hours, 13,013 cycles
Part
Web
Part number
UNKNOWN
Condition
Corroded
Location
Bs 787-847 Rbl27
Stage of operation
IN
How discovered
V
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 FOUND AFT CARGO DOOR CUTOUT LOWER WEB FROM STA 787 + 16 TO STA 847 RBL 27 WL 155.5 HAS SPOTS OF CORROSION.<[01] EVALUATED DAMAGE AT AFT CARGO DOOR CUTOUT LOWER WEB FROM STA 787 + 16 TO STA 847 RBL 27 WL 155.5 ; PART WAS FOUND OUT OF LIMITS DUE TO EXFOLIATION CORROSION ON WEB SURFACE . REF. 51-10-02-0G-0<BR>REMOVED ALL FASTENERS FROM AFT CARGO DOOR CUTOUT WEB AND REMOVED WEB REF. SRM 51-40-02-0G-0<BR>TREATED AND PRIMED ALL DRILLED AND COUNTERSUNK HOLES AT NEW LOWER WEB AT AFT CARGO COMPARTMENT DOOR SURROUND STRUCTURE REF: AMM 51-21-41-370-803 AND AMM 51-21-72-370-801<BR>INSTALLED WEB AT AFT DOOR CUTOUT LOWER POSITION REF SRM 51-40-02-0G-0 AND BOEING DRW # 146A8340<BR>MIX SEALANT AT 21:00 BMS 595 B-2<BR>INSTALLATION OF WEB FINISHED AT 23:00;[02] VERIFIED REMOVED AND REPLACED WEB AT AFT DOOR CUTOUT LOWER POSITION.;[03] AUDIT C/W PER MPM 52.02.02

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