Service difficulty report · Intercostal · Boeing 757

Difficulty date
July 22, 2022
Submitted
July 25, 2022
Operation
Air carrier
Aircraft
N14106
Make and model
Boeing 757
Aircraft serial
27296
Aircraft time
102,693 hours, 24,259 cycles
Part
Intercostal
Part number
143N53758
Condition
None
Location
Sta 725
Stage of operation
IN
How discovered
O
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

(B757-53-3-0492) FWD PIT RH SIDE INTERCOSTAL HAS 1EA ELONGATED HOLE AT APPROX STA 725 BETWEEN S27R AND S28R. STREAMER ATTACHED. TRANSCRIBED FROM HAECO GSO NR 9282942 MAT''L ID 7075-0 .032 PO NO. 857 IAW BAC DWG 143N5375 REV C, FORM 51-21-10. INSTALLED INTECOSTAL IAW BOEING DWG 193N5375 REV C AND ED AND HEAT TREATED TO T6 IAW BAC 5602. LOCATED AND DRILLED IAW B757 200 SRM 51 40 02 HAECO GSO MECH V932595 INSP QC467 B757 200 SRM 51-40-02 AND BOEING DWG 143N5375 REV C. ALODINED AN D PRIMED IAW B757 200 SRM 51-20-01 TOPCOATED IAW B757 200 AMM