Service difficulty report · Doubler · Boeing 73779P

Difficulty date
April 14, 2025
Submitted
May 19, 2025
Operation
Air carrier
Aircraft
N7858A
Make and model
Boeing 73779P
Aircraft serial
29361
Aircraft time
59,626 hours, 38,699 cycles
Part
Doubler
Condition
Cracked
Location
Zone 100
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

EGPR SURROUND DOUBLER IS CRACKED BS233 WL175 8' ABOVE S-24R MARKED<[01] TRIMMED OUT THE DAMAGED AREA OF THE EGPR SURROUND DOUBLER IAW SRM 53-10-15-2R-4 REPAIR 4 PARG 4(C); FABRICATED -2 DOUBLER; MADE FROM 2024T3#0.050 LOT# 1558343-1 AND -3 FILLER; MADE FROM 2024T3#0.040 LOT# 1562141-2 IAW SRM 53-11-15-2R-4 REPAIR 4 PARG 4(E-J) AND INSTALLED ALL REPAIR PARTS AT EGPR SURROUND DOUBLER BS 233 WL 175 8' ABOVE S-24R IAW SRM 53-11-15-2R-4 REPAIR 4 PARG 4(M) AND SRM 51-40-02-0G-0;[02] CORRECTIVE ACTION ITEM 1 VERIFIED; CARD COMPLETE.

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