Service difficulty report · None · Boeing 7377Q8

Difficulty date
August 20, 2021
Submitted
October 5, 2021
Operation
Air carrier
Aircraft
N7859B
Make and model
Boeing 7377Q8
Aircraft serial
30641
Aircraft time
55,430 hours, 36,644 cycles
Engine
Cfmint CFM567B20
Part
None
Condition
Loose
Location
R/H Engine
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

LOOSE FASTENER LIP INLET COWL ON RT ENGINE ; 2021-392678 / [01] REMOVED FASTENERS LOC. LIP INLET COWL ON RT ENGINE BETWEEN NINE OCLOCK TO TWELVE OCLOCK IAW B737-700 SRM 51-40-02 FOR GAIN ACCES AND PERFORMED VISUAL INSPECTION AND NO FOUND MORE DAMEGE.; [02] STEP 1 COMPLETED; [03] REMOVED LOOSE FASTENER LOC. LIP INLET COWL ON RT ENGINE IAW B737-700 SRM 51-40-02.; [04] REMOVED LOOSE FASTENER LOC. LIP INLET COWL ON RT ENGINE IAW B737-700 SRM 51-40-02.; [05] OK TO INSTALL NEW FASTENER ON LIP INLET COWL ON RT ENGINE; [06] VERIFIED STEP 4 AND 5; GRANTED OK TO INSTALL; [07] ROTO TEST INSPECTION DONE ON OPEN FASTENER HOLE (1EA) AS PER NDT MANUAL PART 6; 51-00-00 PROCEDURE 16; NO CRACK INDICATION FOUND TOOL USED PN: NORTEC 600D; SN: 210138503; CAL DUE DATE: 05-MAR-22; [08] INSTALLED FASTENER 1(E/A) LOCATED ON LIP INLET COWLING RT ENGINE IAW B737-700 51-40-02 AND 54-10-01-1A-2 STEP 2. E (3).; [09] STEP 8 COMPLETE; [10] GRANT OK TO INSTALL NEW FASTENER ON LIP INLET COWL ON RT ENGINE BETWEEN NINE OCLOCK TO TWELVE OCLOCK; [11] STEP 10 COMPLETED <BR><BR>OK TO INSTALL GRANTED; [12] INSTALLED FASTENER ON LIP INLET COWL ON RT ENGINE BETWEEN NINE OCLOCK TO TWELVE OCLOCK IAW B737-700 SRM 51-40-02 AND CMM 71-11-22; [13] STEP 11 COMPLETED <BR><BR>TASK COMPLETED

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