Service difficulty report · Fastener · Boeing 73771B

Difficulty date
October 19, 2022
Submitted
November 14, 2022
Operation
Air carrier
Aircraft
N7854B
Make and model
Boeing 73771B
Aircraft serial
29372
Aircraft time
45,663 hours, 30,470 cycles
Engine
Cfmint CFM567B242
Part
Fastener
Condition
Cracked
Location
Nr 2 Inlet
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

#2 ENGINE INLET COWL HAS A CRACKED HEAD AND LIFTING UP SOLID FASTENER AT THE 10:00 POSITION JUST FWD OF THE AFT OUTER LIP SKIN FASTENER ROW. / [01] REMOVED #2 ENGINE INLET COWL PER AMM 71-11-01-000-802-F00;[02] REMOVED AND REPLACED 32 ENGINE INLET COWL PER AMM 71-11-01-400-802-F00 PARA 5.A.-G.(1)-(12); (14)-(20). TORQUES VERIFIED; BONDING CHECK GOOD. PER1297; S/N 02-122689; 05/23; ID 1836D; S/N WYA 08108; DUE 10/23; ATS1256; S/N DC003960; DUE 05/23;[03] VERIFIED CORRECTIVE ACTION 2;[04] COMPLETED STEP 1;[05] VERIFIED COMPLETED STEP 1;[06] VERIFIED STEP 1.

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